{"id":90043,"date":"2023-04-14T15:17:16","date_gmt":"2023-04-14T18:17:16","guid":{"rendered":"https:\/\/vestibulares.estrategia.com\/portal\/?p=90043"},"modified":"2023-07-28T11:31:34","modified_gmt":"2023-07-28T14:31:34","slug":"13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/","title":{"rendered":"13 quest\u00f5es sobre campo el\u00e9trico que j\u00e1 ca\u00edram nos vestibulares"},"content":{"rendered":"<p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-a416c845-158c-4fe4-ba3f-17cdbe869d49\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> &eacute; um conceito f&iacute;sico vetorial utilizado para medir a influ&ecirc;ncia que uma carga geradora exerce sobre cargas que est&atilde;o ao seu redor. Segundo essa concep&ccedil;&atilde;o, quanto mais pr&oacute;ximas estiverem duas cargas, maior ser&aacute; a <span id=\"urn:enhancement-661c1065-5819-4e2a-845e-09cc634a5509\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca-eletrica-2\">for&ccedil;a el&eacute;trica<\/span> entre elas, gra&ccedil;as ao m&oacute;dulo do <span id=\"urn:enhancement-0dbe2e87-1757-4b9d-8416-aedef5c23bbb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> na regi&atilde;o onde ambas est&atilde;o.<p class=\"wp-block-paragraph\">Al&eacute;m de saber o que &eacute; um <span id=\"urn:enhancement-4aed1ae5-1fda-4934-b61b-9fed07fb066f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span>, tamb&eacute;m &eacute; necess&aacute;rio entender como calcul&aacute;-lo. Para isso, leva-se em considera&ccedil;&atilde;o a intensidade da carga em quest&atilde;o, e quanto maior for esse valor, maior ser&aacute; a influ&ecirc;ncia sobre o meio. Al&eacute;m disso, a dist&acirc;ncia entre o ponto observado e a carga el&eacute;trica tamb&eacute;m devem ser consideradas, porque quanto mais longe da carga, menos ela consegue interferir no sistema.<\/p><p class=\"wp-block-paragraph\">Instru&ccedil;&otilde;es b&aacute;sicas anotadas? &Eacute; hora de testar seus conhecimentos com quest&otilde;es sobre <span id=\"urn:enhancement-ea9feab2-5660-43e6-889a-c7a0c122129c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> que j&aacute; ca&iacute;ram em vestibulares de grandes institui&ccedil;&otilde;es p&uacute;blicas e privadas. Confira:<\/p><p class=\"wp-block-paragraph\"><strong>Saiba mais:<\/strong><br>&mdash; <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/campo-eletrico\/\" target=\"_blank\">Campo el&eacute;trico: o que &eacute;, f&oacute;rmulas e quest&otilde;es<br><\/a>&mdash; <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/fisica-moderna\/\" target=\"_blank\">F&iacute;sica Moderna: o que &eacute;, o que estuda e contribui&ccedil;&otilde;es<\/a><br>&mdash; <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/eletrostatica\/\" target=\"_blank\">Eletrost&aacute;tica: o que &eacute;, f&oacute;rmulas e conceito&nbsp;<\/a><\/p><p class=\"wp-block-paragraph\"><div id=\"new-form\">\n\t<form id=\"forms_layout\">\n\t<input type=\"hidden\" id=\"chave_de\" name=\"chave_de\" value=\"01_EVEST_LEADS_TOTAIS\" \/>\n\t\t<input type=\"hidden\" id=\"mid\" name=\"mid\" value=\"515008983\" \/>\n\t\t<input type=\"hidden\" id=\"Objetivo\" name=\"Objetivo\" value=\"Vestibulares\" \/>\n\t\t<input type=\"hidden\" id=\"Estado_de_Origem_do_IP\" name=\"Estado_de_Origem_do_IP\"  value=\"\" \/>\n\t\t<input type=\"hidden\" id=\"Cidade_de_Origem_do_IP\" name=\"Cidade_de_Origem_do_IP\" value=\"\" \/>\n\t\t<input type=\"hidden\" id=\"Modo_de_entrada\" name=\"Modo_de_entrada\" value=\"Portal\" \/>\n\t\t<input type=\"hidden\" id=\"Pagina_Origem\" name=\"Pagina_Origem\" value=\"\" \/>\n\n\t\t<div class=\"texto\">\n\t\t\t<h3 class=\"news\">Inscreva-se em nossa newsletter\ud83e\udd89<\/h3>\n\t\t\t<p>Receba dicas de estudo gratuitas e saiba em primeira m\u00e3o as novidades sobre o Enem, Sisu, Encceja, Fuvest e outros vestibulares!<\/p>\n\t\t<\/div>\n\t\t<div class=\"campos\">\n\t\t\t<div class=\"first_name labels\">\n\t\t\t\t<input type=\"text\" class=\"input_labels\" id=\"first_name\" name=\"Nome_Completo\" placeholder=\"Nome\" required \/>\n\t\t\t<\/div>\n\t\t\t<div class=\"email labels\">\n\t\t\t\t<input type=\"email\" 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class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Uenp-2022\" >Uenp (2022)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#UFPR-2022\" >UFPR (2022)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#UEG-2022\" >UEG (2022)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#UFU-2021\" >UFU (2021)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#UFRR-2021\" >UFRR (2021)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Famerp-2020\" >Famerp (2020)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#PUC-SP-2020\" >PUC-SP (2020)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#PUC-Campinas-2020\" >PUC Campinas (2020)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Facisb-2019\" >Facisb (2019)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#ITA-2019\" >ITA (2019)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Unaerp-2019\" >Unaerp (2019)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Uerj-2019\" >Uerj (2019)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Fameca-2019\" >Fameca (2019)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Saiba-mais-sobre-as-questoes-cobradas-nos-vestibulares\" >Saiba mais sobre as quest&otilde;es cobradas nos vestibulares<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/13-questoes-sobre-campo-eletrico-que-ja-cairam-nos-vestibulares\/#Prepare-se-para-a-prova-com-o-Estrategia-Vestibulares\" >Prepare-se para a prova com o Estrat&eacute;gia Vestibulares&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-uenp-2022\"><span class=\"ez-toc-section\" id=\"Uenp-2022\"><\/span>Uenp (2022)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">As linhas de for&ccedil;a de duas cargas el&eacute;tricas puntiformes coplanares (q&#8321; e q&#8322;) s&atilde;o representadas na figura abaixo. As duas cargas est&atilde;o equidistantes do eixo ????. Assinale a alternativa INCORRETA.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/_cBJqA6mnlVAzNLbNBGi1B9wkBMz8Ayf2tRveVuYGfxf-6FZXWSzW4dvs-CgYatgz2sLNO-9Pz4tr4pm8zvaT_tbHJ1krxkTbwXvBxCsV0SP-GvPCDhbEoOT-yrKuCk-9ECLMP9hWGwckIEc8jt5tBQ\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\"><strong>A)<\/strong> A intensidade do <span id=\"urn:enhancement-cd06b644-f77a-4bb6-9c7b-e084af1329da\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> produzido pelas duas cargas &eacute; maior no ponto 1 do que no ponto 2.<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> O vetor desenhado no ponto 3 indica corretamente a dire&ccedil;&atilde;o e o sentido do vetor <span id=\"urn:enhancement-30ab4d9f-d4de-472c-9f28-48ff180501b3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> naquele ponto.<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-5b9c777c-062d-400e-ada9-6a327309d534\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <\/strong>O potencial el&eacute;trico nos pontos 1 e 2 t&ecirc;m o mesmo valor.<\/p><p class=\"wp-block-paragraph\"><strong>D) <\/strong>Se um el&eacute;tron fosse colocado no ponto 4, o vetor ali representado indicaria a dire&ccedil;&atilde;o e o sentido da <span id=\"urn:enhancement-3c4f3ef6-7561-4ffd-ba73-c9bbf7c8a684\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca-eletrica-2\">for&ccedil;a el&eacute;trica<\/span> exercida sobre o el&eacute;tron.<\/p><p class=\"wp-block-paragraph\"><strong>E) <\/strong>As duas cargas t&ecirc;m o mesmo m&oacute;dulo, mas sinais opostos. A carga q&#8321;&nbsp; &eacute; positiva e a carga q&#8322; &eacute; negativa.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: A<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-ufpr-2022\"><span class=\"ez-toc-section\" id=\"UFPR-2022\"><\/span>UFPR (2022)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">As medi&ccedil;&otilde;es s&atilde;o feitas por um referencial inercial. O m&oacute;dulo da acelera&ccedil;&atilde;o gravitacional &eacute; representado por g. Onde for necess&aacute;rio, use g = 10 <span id=\"urn:enhancement-90e6567a-1d4a-48a4-b420-82f639084a26\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/metro-por-segundo\">m\/s<\/span>&sup2; para o m&oacute;dulo da acelera&ccedil;&atilde;o gravitacional.<\/p><p class=\"wp-block-paragraph\">O comportamento gr&aacute;fico para o m&oacute;dulo do <span id=\"urn:enhancement-607b6c27-621b-4953-88d4-eaa57692dc97\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> E numa dada regi&atilde;o do espa&ccedil;o, em fun&ccedil;&atilde;o da posi&ccedil;&atilde;o x dentro dessa regi&atilde;o, &eacute; linear e est&aacute; representado na figura ao lado.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/kRMrCoWkzA2THyISj7Phdu7cFtnkqQzt0EpQEVrnLG1iMuf4Qh-RmRpXUaJy_PQxk4cfgdophm5PKv5IzI4XRN42gU2JUTB0CsDE8vRP0NNbMdZTxdzmrPc4na1pP_ZJS3BVtSBJwGj_Ug9aeSQ0S5A\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Considerando as informa&ccedil;&otilde;es apresentadas no enunciado e na figura, assinale a alternativa que apresenta corretamente o valor do m&oacute;dulo da <span id=\"urn:enhancement-bf6b916f-6349-4f08-b827-a5f808e2ee95\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca-eletrica-2\">for&ccedil;a el&eacute;trica<\/span> F produzida por esse campo sobre uma carga Q = 1,6 &mu;<span id=\"urn:enhancement-5f9401fb-909b-44d4-ad94-f41401776312\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span> colocada na posi&ccedil;&atilde;o x = 4 cm.<\/p><p class=\"wp-block-paragraph\">A) F = 8,0 N.<\/p><p class=\"wp-block-paragraph\">B) F = 6,4 N.<\/p><p class=\"wp-block-paragraph\"><span id=\"urn:enhancement-2489d253-1666-4389-9fca-39b722bc6f20\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) F = 4,8 N.<\/p><p class=\"wp-block-paragraph\">D) F = 3,2 N.<\/p><p class=\"wp-block-paragraph\">E) F = 1,6 N.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: <span id=\"urn:enhancement-a429363b-2681-4674-91c5-f83a6563fd5e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-ueg-2022\"><span class=\"ez-toc-section\" id=\"UEG-2022\"><\/span>UEG (2022)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-7a359c11-1f0a-4131-9c0f-4f726fb62e51\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> de uma casca esf&eacute;rica n&atilde;o condutora, uniformemente carregada, de <span id=\"urn:enhancement-38d172aa-7f07-41b1-9089-99477fd19f05\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/raio\">raio<\/span> se comporta como se toda sua carga estivesse concentrada na origem. Sendo assim, qual &eacute; o m&oacute;dulo do <span id=\"urn:enhancement-751c797a-6134-4381-b0bd-9688bdc13e86\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> de uma casca esf&eacute;rica, a uma dist&acirc;ncia de sua origem?<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong> <strong><img decoding=\"async\" width=\"50\" height=\"23\" src=\"https:\/\/lh3.googleusercontent.com\/YiS2YqFKkiLowHZNw5hV9BT6llEIqYVOPyBNuNuzPVRJ9xYbAjac5IXDS_w1CKXCexNRlJi2MtqvGqKqaNOf-TkcPQZB6lLrfLHI4FyZ0Pe5lociVbNSmch72Mh9ggWE_-uCjiwGvIAwvlDTUQvivv4\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>B) <\/strong> <strong><img decoding=\"async\" width=\"55\" height=\"23\" src=\"https:\/\/lh4.googleusercontent.com\/_m3QkbWph0Q6taM49ut8JoHscHfuCuiuDxwNlzOfJzDlTx9a_507urO63-pdxLtkm1gvjwEwpB_J3yxu2NE48Ae6mzhvHBorHlPtiQPqla-Df6fvpSuNALWpb0bSsiLdcHnMwfQV6pwTlkqQz0oLowA\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-7784cc84-0326-4fc4-b7c6-2a2463a3eea9\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <\/strong> <strong><img decoding=\"async\" width=\"52\" height=\"23\" src=\"https:\/\/lh5.googleusercontent.com\/Mhw_uXC65yGSCQV5K28hxcyxZK9ySS22jQ7n6CzPcg6N69FcyDV9gt5y09hUwo4x4Izg65IAtGokCmGJtgtifuqVYN9m9lkKlrPAyZXX_NXA9eQbndNppWd59siuFxZ1KUCod5uPrjNIUC-PAv3HtwM\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>D) <img decoding=\"async\" width=\"50\" height=\"24\" src=\"https:\/\/lh5.googleusercontent.com\/K6ryy2alnX1HaxO5exYWsZsE9fWbKyEGVQIOg4z_W8lWADCOhdrjmIdMFQ1Afvjp9aAGsFGaFW20US9ws-9XB63oTm75B_metQn-O32cCDqOF-PykMWmE4ckAkCuvDJg7biTpANK9GIs3vaMGSWhKnA\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>E) <img decoding=\"async\" width=\"67\" height=\"22\" src=\"https:\/\/lh3.googleusercontent.com\/ZshgREZAuxD_T8XHiTiq-tPTpRNiR8GB99AMlAVKHlJn3MC9uxM4v1UpJffOaOFoor2Q2iv1vEGLlc1ZW57eQ7V1W72OJ8t6K_3xgDtnsVLEftTJUn5VaP3mlWzaKbuz3wMVAQs6eWGH_-sagFdrNwg\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: <span id=\"urn:enhancement-7f570218-1e62-472d-a593-8bca17368cf4\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-ufu-2021\"><span class=\"ez-toc-section\" id=\"UFU-2021\"><\/span>UFU (2021)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-93316b56-957f-4725-bc20-6a70b1644829\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/brasil\">Brasil<\/span> &eacute; o pa&iacute;s com maior incid&ecirc;ncia de raios. Eles s&atilde;o formados quando got&iacute;culas de &aacute;gua e gelo, que formam as nuvens, acumulam cargas el&eacute;tricas, que, em algum momento, desencadeiam as descargas el&eacute;tricas, que podem ocorrer no interior das nuvens e tamb&eacute;m estabelecer contato com o solo.<\/p><p class=\"wp-block-paragraph\">Para que tais descargas ocorram, &eacute; necess&aacute;rio que:<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong>A grande quantidade de cargas el&eacute;tricas na nuvem gere um <span id=\"urn:enhancement-a3ff1ac0-52c9-47a5-bfca-5e454bd1410a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> que ultrapasse a rigidez diel&eacute;trica do ar, tornando-o um meio condutor por onde as cargas el&eacute;tricas fluir&atilde;o.&nbsp;<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> A grande quantidade de cargas el&eacute;tricas na nuvem diminua a diferen&ccedil;a de potencial entre ela e o solo para permitir que uma corrente el&eacute;trica se estabele&ccedil;a, que &eacute; por onde os el&eacute;trons fluir&atilde;o.<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-248f3161-b42f-408f-984c-877f4ec35fc5\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> A intera&ccedil;&atilde;o entre o <span id=\"urn:enhancement-531a694a-323b-48ef-9ef3-bd4f9d36ed87\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> da nuvem e o <span id=\"urn:enhancement-d920ac22-5952-4f78-aa84-dec720ceb859\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campo-magnetico\">campo magn&eacute;tico<\/span> terrestre ocorra, o que gera um canal de comunica&ccedil;&atilde;o entre esses meios, que &eacute; por onde as cargas el&eacute;tricas fluir&atilde;o.<\/p><p class=\"wp-block-paragraph\"><strong>D)<\/strong> A diferen&ccedil;a de potencial entre a nuvem e o solo seja momentaneamente infinita, permitindo que uma corrente el&eacute;trica se estabele&ccedil;a, que &eacute; por onde os el&eacute;trons fluir&atilde;o.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: A<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-ufrr-2021\"><span class=\"ez-toc-section\" id=\"UFRR-2021\"><\/span>UFRR (2021)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Leia as afirmativas abaixo e classifique-as como VERDADEIRAS (V) ou FALSAS (F):<\/p><p class=\"wp-block-paragraph\">I. O vetor <span id=\"urn:enhancement-18d6d846-5c9a-4de8-aaf2-46e0611d97c3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> em um determinado ponto depende exclusivamente da carga el&eacute;trica que o gera e da dist&acirc;ncia da origem at&eacute; o ponto a qual se determina o <span id=\"urn:enhancement-69e8af00-6f1f-4bef-8374-4201fe518308\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span>;<\/p><p class=\"wp-block-paragraph\">II. O sentido do vetor potencial el&eacute;trico depende do sinal da carga el&eacute;trica;<\/p><p class=\"wp-block-paragraph\">III. A intensidade da intera&ccedil;&atilde;o m&uacute;tua entre duas cargas el&eacute;tricas depende exclusivamente do meio onde elas se encontram;<\/p><p class=\"wp-block-paragraph\">IV. O <span id=\"urn:enhancement-3d7f2807-a410-43de-ac56-60263fc09aa6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> no centro de um condutor cil&iacute;ndrico &eacute; nulo;<\/p><p class=\"wp-block-paragraph\">V. Os vetores <span id=\"urn:enhancement-f5dd4a8a-8abb-4d74-a6a6-24b6e4724341\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca-eletrica-2\">for&ccedil;a el&eacute;trica<\/span> e <span id=\"urn:enhancement-181955d0-06fc-45eb-9184-dc0cdd10eb4b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> s&atilde;o iguais quando a carga de prova for positiva e seu valor for de 1C.<\/p><p class=\"wp-block-paragraph\">Assinale a alternativa que mostra a classifica&ccedil;&atilde;o CORRETA das assertivas:<\/p><p class=\"wp-block-paragraph\"><strong>A)<\/strong> I &ndash;Verdadeira; II &ndash;Verdadeira; III &ndash;Falsa; IV &ndash;Verdadeira; V &ndash;Verdadeira<\/p><p class=\"wp-block-paragraph\"><strong>B) <\/strong>I &ndash;Verdadeira; II &ndash;Falsa; III &ndash;Verdadeira; IV &ndash;Verdadeira; V &ndash;Falsa<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-89617a3d-3302-478d-94bc-333d36cb8f66\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> I &ndash;Falsa; II &ndash;Falsa; III &ndash;Falsa, IV &ndash;Verdadeira, V &ndash;Verdadeira<\/p><p class=\"wp-block-paragraph\"><strong>D)<\/strong> I &ndash;Falsa; II &ndash;Verdadeira; III &ndash;Falsa; IV &ndash;Verdadeira; V &ndash;Verdadeira<\/p><p class=\"wp-block-paragraph\"><strong>E)<\/strong> I &ndash;Falsa; II &ndash;Falsa; III &ndash;Falsa; IV &ndash;Verdadeira; V &ndash;Falsa<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: <span id=\"urn:enhancement-eccc84a8-fd5d-4abf-8e32-564355c89eb7\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-famerp-2020\"><span class=\"ez-toc-section\" id=\"Famerp-2020\"><\/span>Famerp (2020)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Nas Ci&ecirc;ncias, muitas vezes, se inicia o estudo de um problema fazendo uma aproxima&ccedil;&atilde;o simplificada. Um desses casos &eacute; o estudo do comportamento da membrana celular devido &agrave; distribui&ccedil;&atilde;o do excesso de &iacute;ons positivos e negativos em torno dela. A figura mostra a vis&atilde;o geral de uma c&eacute;lula e a analogia entre o modelo <span id=\"urn:enhancement-bd417d53-1d81-4379-93a6-47ad8cb2eac6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/biologia\">biol&oacute;gico<\/span> e o modelo f&iacute;sico, o qual corresponde a duas placas planas e paralelas, eletrizadas com cargas el&eacute;tricas de tipos opostos.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/LeM7goFIULUZXgdIEqklF9Vu4Oc2-UUef0JO-TPsM-LRpij-OaWMPq_-cce_5xH6PModaWp_z3VUEWce2TzfYkwL4JYGVYq0sCKEhwgCHzhhFNn1HuljDRY4vcv9vsPCGNTOwBLrMwplIBKAvZ3B7Ok\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Com base no modelo f&iacute;sico, considera-se que o <span id=\"urn:enhancement-69fcf915-3c8f-49b4-83e5-a2ce7196142d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> no interior da membrana celular tem sentido para<\/p><p class=\"wp-block-paragraph\"><strong>A)<\/strong> Fora da c&eacute;lula, com intensidade crescente de dentro para fora da c&eacute;lula.<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> Dentro da c&eacute;lula, com intensidade crescente de fora para dentro da c&eacute;lula.<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-09fd1e07-4950-4eb1-8ff3-2dfaca9a0832\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> Dentro da c&eacute;lula, com intensidade crescente de dentro para fora da c&eacute;lula.<\/p><p class=\"wp-block-paragraph\"><strong>D) <\/strong>Fora da c&eacute;lula, com intensidade constante.<\/p><p class=\"wp-block-paragraph\"><strong>E)<\/strong> Dentro da c&eacute;lula, com intensidade constante.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: E<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-puc-sp-2020\"><span class=\"ez-toc-section\" id=\"PUC-SP-2020\"><\/span>PUC-SP (2020)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">As linhas de um <span id=\"urn:enhancement-ee5d0325-3bd3-47bc-8e56-ff43d118233d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> uniforme atravessam um trap&eacute;zio de altura h, conforme mostra a figura. Com rela&ccedil;&atilde;o a essa disposi&ccedil;&atilde;o podemos afirmar que:<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/b4DP6LIEhz3GrHZWDy72nLZJUilP47sAG0q7CyCTYh7AjJnf-K23zXvtMHXTy4WhBWakzfGSCY0rLhQUAw4PonAWWX3rUjUPioMI8nqWsjqfDdciTo0NJBrb9u-pp4QQZEiBT0lzx2AhasjO7559NKU\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\"><strong>A)<\/strong> A ddp entre os pontos J e a &eacute; menor que a ddp entre os pontos M e d.<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> A ddp entre os pontos J e a &eacute; maior que a ddp entre os pontos M e d.<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-fed2c39e-aa1d-4b5d-b65d-080d1d6e60f9\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> A ddp entre os pontos J e a &eacute; igual a ddp entre os pontos M e d e ambas s&atilde;o diferentes de zero.<\/p><p class=\"wp-block-paragraph\"><strong>D) <\/strong>A ddp entre os pontos J e a &eacute; igual a ddp entre os pontos M e d e ambas s&atilde;o nulas.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: D<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-puc-campinas-2020\"><span class=\"ez-toc-section\" id=\"PUC-Campinas-2020\"><\/span>PUC Campinas (2020)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">A figura mostra a regi&atilde;o entre duas placas planas, paralelas e eletrizadas com cargas de sinais opostos, que produzem, nessa regi&atilde;o, um <span id=\"urn:enhancement-2c7c7728-b27b-4fb7-8500-ff797a20faba\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> uniforme, com dire&ccedil;&atilde;o perpendicular aos planos das placas e sentido da placa positiva para a placa negativa. Nessa regi&atilde;o, existe tamb&eacute;m um <span id=\"urn:enhancement-4c5cdf03-6c48-4147-802f-862ba8f31a27\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campo-magnetico\">campo magn&eacute;tico<\/span> uniforme.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/o_daFQPACKhMr9B1AIP60dXg78HyY61JsjMsxr9cVCqrmXWYODKp3Sp5uNUHYS-hSzSKyHG0sFEIcVEgRdxEr9PD2pAEVPf1ZTqN6JAXXL6BztTQfBtmbbudqJnhnDyoLFIEOOKCTBQ-w1ZWMGvBVP0\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Uma part&iacute;cula eletrizada com carga el&eacute;trica positiva foi lan&ccedil;ada entre essas placas com velocidade de dire&ccedil;&atilde;o perpendicular ao <span id=\"urn:enhancement-a4bdc39c-587a-45a1-bdd4-569ad55c93f2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span>, com sentido da esquerda para a direita. Considerando desprez&iacute;vel a a&ccedil;&atilde;o do campo gravitacional, para que a part&iacute;cula mantenha um movimento retil&iacute;neo e uniforme na regi&atilde;o entre as placas, o <span id=\"urn:enhancement-4a1badfa-f2f7-4499-8ac1-6fe170b60fa9\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campo-magnetico\">campo magn&eacute;tico<\/span> deve ter dire&ccedil;&atilde;o<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong>Paralela &agrave; do <span id=\"urn:enhancement-e6511912-7edf-4557-99d9-c17d9a16abdf\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span>, mas com sentido oposto.<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> Paralela &agrave; da velocidade da part&iacute;cula, com o mesmo sentido.<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-00bad061-5c9e-42d2-8608-2c0ee7b505f6\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <\/strong>Paralela &agrave; da velocidade da part&iacute;cula, mas com sentido oposto.<\/p><p class=\"wp-block-paragraph\"><strong>D)<\/strong> Perpendicular ao <span id=\"urn:enhancement-fa9b4a74-4e22-4945-88db-95f41dc77c3b\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/plano\">plano<\/span> da figura, com sentido para fora da folha.<\/p><p class=\"wp-block-paragraph\"><strong>E) <\/strong>Perpendicular ao <span id=\"urn:enhancement-8509ae0c-209b-4d52-a126-31bedef764a4\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/plano\">plano<\/span> da figura, com sentido para dentro da folha.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: E<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-facisb-2019\"><span class=\"ez-toc-section\" id=\"Facisb-2019\"><\/span>Facisb (2019)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Na figura, as linhas cont&iacute;nuas orientadas representam as linhas de for&ccedil;a do <span id=\"urn:enhancement-c635c1d8-c702-4a45-b573-b610c97f80bb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> criado por duas cargas el&eacute;tricas puntiformes de mesmo m&oacute;dulo e de sinais opostos. As <span id=\"urn:enhancement-1ec04782-2330-44d6-8b71-d30da7babd2e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/retas\">retas<\/span> r e s s&atilde;o paralelas entre si e s&atilde;o tangentes &agrave;s linhas de for&ccedil;a que passam pelos pontos A e B. A <span id=\"urn:enhancement-b0603d20-e7a3-4559-a022-456e4c869f18\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/reta\">reta<\/span> t passa pelo ponto m&eacute;dio do segmento que liga as cargas.&nbsp;<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/Rt-DpBgbMr0gRunzJ7Ma0UyJ2RqVc65hyYdsQwZZKnjMq8wPzO7XGk3CmHvWtxLTbAI2ejq-GOInOwhZPm4XhvnMzrCWQpXZzXQPk6RZqtz2JkB1_2rPND_43P6b3JE5WLTZzlj7vWiPhFybNjXGuyw\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Sobre as intensidades do <span id=\"urn:enhancement-c16111db-192f-4ac0-aef4-e45aeb759bbc\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> (E) em A e B e sobre o potencial el&eacute;trico (V) criados pelas cargas nos pontos A e B, pode-se afirmar que:<\/p><p class=\"wp-block-paragraph\"><strong>A)<\/strong> E???? &gt; E&#665; e V???? &gt; V&#665;<\/p><p class=\"wp-block-paragraph\"><strong>B) <\/strong>E???? = E&#665; e V???? = V&#665;<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-a063c13f-5e7f-4fff-8c69-fb3d4ed99d20\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <\/strong>E???? = E&#665; e V???? &gt; V&#665;<\/p><p class=\"wp-block-paragraph\"><strong>D) <\/strong>E???? &gt; E&#665; e V???? &lt; V&#665;<\/p><p class=\"wp-block-paragraph\"><strong>E)<\/strong> EA = E&#665; e VA &lt; V&#665;<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: <span id=\"urn:enhancement-cab18ed1-ed1e-4abd-ac82-2defbfd31f02\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-ita-2019\"><span class=\"ez-toc-section\" id=\"ITA-2019\"><\/span>ITA (2019)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Na figura mostra-se o valor do potencial el&eacute;trico para diferentes pontos P(50V), Q(60V), R(130V) e S(120V) situados no <span id=\"urn:enhancement-1e96de42-efb2-47de-a077-7f7f56479ad1\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/plano\">plano<\/span> xy. Considere o <span id=\"urn:enhancement-1cf2c525-375b-4df0-882f-3311c341ef2b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> uniforme nessa regi&atilde;o e o comprimento dos segmentos <img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/1XNZylin0z946ZxID_8HieOBLH5MB7z7RoqvS_aqagnI1FUf8eeFEAzpTc_weKo0_SAZ0dNeYL-K_cO8qmvOoT1Rj4AFICcHGW2Pkh1qBF12caQkF27dqjQkL7bHTH2DPLRfc7ZKMj5Ip16aJFSPgT8\" width=\"201\" height=\"32\"> igual a 5,0m.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/ziJ-HHn7tAqeCoCR6WyPJPNuJFFWJnfjcT0nsDkBoqMCw_gk8vUJmpJDv_9BOUuDa0V-Hiu3rjobf67_cdSIxevsqjZ5aH7iHi_XbxdjgwINYqn_Hp2EbLV_fWIht0LZfW9Bf6asiDk3YtiOOe0LUIc\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Pode-se afirmar que a magnitude do <span id=\"urn:enhancement-530fb3c1-2b16-4582-b6c8-1025cee27510\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> &eacute; igual a:<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong>12,0V\/m.&nbsp;<\/p><p class=\"wp-block-paragraph\"><strong>B) <\/strong>8,0V\/m.&nbsp;<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-2cff6b31-442e-4124-b343-1cb848994e00\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> 6,0V\/m.<\/p><p class=\"wp-block-paragraph\"><strong>D) <\/strong>10,0V\/m.&nbsp;<\/p><p class=\"wp-block-paragraph\"><strong>E) <\/strong>16,0V\/m.<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: D<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-unaerp-2019\"><span class=\"ez-toc-section\" id=\"Unaerp-2019\"><\/span>Unaerp (2019)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Uma carga de prova de 60mC quando colocada em um <span id=\"urn:enhancement-9196f3e2-d426-4669-bcaa-e1eef40791a8\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span>, no ponto P, recebe uma for&ccedil;a resultante de m&oacute;dulo igual a 0,15N. Podemos afirmar que o valor do <span id=\"urn:enhancement-c8211d0f-85df-44fe-ab3c-511e3d3e34d0\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> neste ponto &eacute;, em N\/<span id=\"urn:enhancement-635264f3-106e-47ca-b0b9-02bf7e1d6acb\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>,<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong>0,02<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> 0,16<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-fa74c8ff-980e-4f66-8f51-dc814563a7ff\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <\/strong>0,20<\/p><p class=\"wp-block-paragraph\"><strong>D)<\/strong> 1,60<\/p><p class=\"wp-block-paragraph\"><strong>E)<\/strong> 2,50<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: E<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-uerj-2019\"><span class=\"ez-toc-section\" id=\"Uerj-2019\"><\/span>Uerj (2019)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Na ilustra&ccedil;&atilde;o, est&atilde;o representados os pontos I, II, III e IV em um <span id=\"urn:enhancement-0d1f00ac-8948-4eef-ab1b-cc73325e54a4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> uniforme.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/6UI7W3b41SSNpczw9bqsu60FHVrgYaD_jKmT79SzaS6FXnH8NC8M2gU5yjc9EBBcIdKXMyI-E7NtZRRzoIj0jk48cqMC_pFpMls4mPJMLdRMFCju2dc_S5ELfPsk_JWrvLoF-i04qrr5N6FVCsKkbBY\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Uma part&iacute;cula de massa desprez&iacute;vel e carga positiva adquire a maior energia potencial el&eacute;trica poss&iacute;vel se for colocada no ponto:<\/p><p class=\"wp-block-paragraph\"><strong>A)<\/strong> I<\/p><p class=\"wp-block-paragraph\"><strong>B)<\/strong> II<\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-13f9da4c-2559-494c-a3b3-3b3c0bd7d30a\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>)<\/strong> III<\/p><p class=\"wp-block-paragraph\"><strong>D)<\/strong> IV<\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: A<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-fameca-2019\"><span class=\"ez-toc-section\" id=\"Fameca-2019\"><\/span>Fameca (2019)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">A figura mostra duas part&iacute;culas eletrizadas, Q&#8321; e Q&#8322;, e os vetores que representam o <span id=\"urn:enhancement-52acd413-8c03-4e11-8daf-6a68b7e76d4e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> gerado pela part&iacute;cula Q&#8321; no ponto A e pela part&iacute;cula Q&#8322; no ponto B, respectivamente.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/JySkQDPJoKM9kqEhEFq_pqpy3L-kO7QBXQlnkXCKyH7qpgJUmMOqfpuSmtzeH41sLeWQh08ZeL43cGc6hLhYhecNeP5-1FBAY_CLqC5E9iSNPTZzPVz4ptRKVF7mCczXfSY8hjJu6Uu3HY2SDVnt7XU\" alt=\"\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Deslocando-se as part&iacute;culas Q&#8321; e Q&#8322; para os pontos A e B, respectivamente, o <span id=\"urn:enhancement-b8124b72-10fd-486b-a061-d747c8cd0a34\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/campos-eletricos\">campo el&eacute;trico<\/span> resultante no ponto <span id=\"urn:enhancement-9c6da045-9363-49a6-9dae-8461a79dedb1\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>, gerado por ambas as part&iacute;culas, ser&aacute; representado pelo vetor<\/p><p class=\"wp-block-paragraph\"><strong>A) <img decoding=\"async\" width=\"210\" height=\"63\" src=\"https:\/\/lh4.googleusercontent.com\/p1R-jvOWwETjUMuAKr7eOTDVFG1mFt6WuzwFV1HOyqpmr8qmH5l9E384THNbBJ34w7IA4MYT71r9fAoFkGWRRMOp1BT6kXN0dYnQY2LfVNT_-3qg5OHDFp_wjD5ROPJHRE0gX6zxpRnR_WqG-2ZiYzc\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>B) <img decoding=\"async\" width=\"210\" height=\"63\" src=\"https:\/\/lh5.googleusercontent.com\/QaFIrGDID7v4T1OfCMHNbOrr94tItemOOMK5iqMpSiWgNyO8N3rjy05mSy3Z0RJ2dmZ70T975R897IMSnnoGzt3ucngE7KdTeA62WAIJzBA6nLaalq8lV6GMf84LGig5ce9XeisSy2KQ8HzeBwV1aEI\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-907da403-7f09-4cbe-bead-ff6b7cb3fe91\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span>) <img decoding=\"async\" width=\"212\" height=\"61\" src=\"https:\/\/lh4.googleusercontent.com\/nlnJAhO4hSM_m76sHXC8A4fJBpxIijlfr8Re53LCN1QQrD46McEyz1rknyexhSCMgSPq5Nlo0dzR__VwQZKgSrEGhigcwyKG4gXebnIzTJy2yb41Q5hY2gFvY0G68xLj6HPcvcJY4inU5qEZhcwOFfE\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>D) <img decoding=\"async\" width=\"211\" height=\"64\" src=\"https:\/\/lh3.googleusercontent.com\/Me0fokhGvSEloZc10n3zXveGKqFZRDlHxIRcd7lqJSRqQW0IcXV9rplzD3hBJfMw4clmHf0IRc5uWVZamZWS2rZNHMQC0n2Lv5qI2Ipue4XBHXtugRvNeCGQLlzuKRopT3wCwaVlAMd0TtjKm66tLEM\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>E) <img decoding=\"async\" width=\"208\" height=\"63\" src=\"https:\/\/lh3.googleusercontent.com\/AzbE1yup3c5zNlHzLq8xXU_FpwHb2HjmmP4jkkZeQG7_EDSYsWRY1Hy6XFG0Cxbjf4q9Vg1yZ7EHpK3FL1KlrxjiZbRscLJE5M2N7VjlMp0GUTUUuBsGAIsQ4TvpEYfnGn0Ejm8h3OLGzvPbkbADBOQ\"><\/strong><\/p><p class=\"wp-block-paragraph\"><strong>Alternativa correta: A<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"h-saiba-mais-sobre-as-questoes-cobradas-nos-vestibulares\"><span class=\"ez-toc-section\" id=\"Saiba-mais-sobre-as-questoes-cobradas-nos-vestibulares\"><\/span>Saiba mais sobre as quest&otilde;es cobradas nos vestibulares<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/11-questoes-sobre-globalizacao-que-ja-cairam-nos-vestibulares\/\" target=\"_blank\">11 quest&otilde;es sobre globaliza&ccedil;&atilde;o que j&aacute; ca&iacute;ram nos vestibulares<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/9-questoes-sobre-revolucao-industrial-que-ja-cairam-no-enem-e-demais-vestibulares\/\" target=\"_blank\">9 quest&otilde;es sobre Revolu&ccedil;&atilde;o Industrial que j&aacute; ca&iacute;ram no Enem e demais vestibulares<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/independencia-do-brasil-11-questoes-sobre-a-data-que-ja-cairam-nos-vestibulares\/\">Independ&ecirc;ncia do Brasil: 11 quest&otilde;es sobre a data que j&aacute; ca&iacute;ram nos vestibulares<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/questoes-sobre-racismo\/\" target=\"_blank\">11 quest&otilde;es sobre racismo que podem cair ou j&aacute; ca&iacute;ram no vestibular<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/dia-do-soldado-9-questoes-sobre-guerras-que-cairam-nos-vestibulares\/\" target=\"_blank\">Dia do soldado: 9 quest&otilde;es sobre guerras que ca&iacute;ram nos vestibulares<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/15-questoes-sobre-filmes-brasileiros-que-ja-cairam-nos-vestibulares\/\" target=\"_blank\">15 quest&otilde;es sobre filmes brasileiros que j&aacute; ca&iacute;ram nos vestibulares<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/9-questoes-sobre-genetica-que-ja-cairam-nos-vestibulares-e-enem\/\" target=\"_blank\">9 quest&otilde;es sobre gen&eacute;tica que j&aacute; ca&iacute;ram nos vestibulares e Enem<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/atualidades-e-dicas\/11-questoes-sobre-aquecimento-global-que-ja-cairam-nos-vestibulares\/\" target=\"_blank\">11 quest&otilde;es sobre aquecimento global que j&aacute; ca&iacute;ram nos vestibulares<\/a><\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"h-prepare-se-para-a-prova-com-o-estrategia-vestibulares\"><span class=\"ez-toc-section\" id=\"Prepare-se-para-a-prova-com-o-Estrategia-Vestibulares\"><\/span>Prepare-se para a prova com o Estrat&eacute;gia Vestibulares&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-8403f59f-62f4-448d-8601-657393101b31\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/estrategia_vestibulares\">Estrat&eacute;gia Vestibulares<\/span> oferece diariamente aulas gratuitas no YouTube sobre todas as mat&eacute;rias que caem nos principais vestibulares do <span id=\"urn:enhancement-5a819ef6-fc10-484c-b075-a7066f6f3bed\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/brasil\">Brasil<\/span>!&nbsp;<\/p><p class=\"wp-block-paragraph\">Al&eacute;m disso, para aqueles que querem investir nos estudos, a plataforma tamb&eacute;m oferece cursos preparat&oacute;rios focados em cada uma das bancas, com professores <span id=\"urn:enhancement-677a2fb2-0fc1-4830-a6f8-9a0783e49c09\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/especializacao\">especialistas<\/span> na prova e com diversos benef&iacute;cios. D&aacute; s&oacute; uma olhada:&nbsp;<\/p><ul class=\"wp-block-list\">\n<li>Curso com livros digitais;<\/li>\n\n\n\n<li>Corre&ccedil;&atilde;o ilimitada de reda&ccedil;&otilde;es;<\/li>\n\n\n\n<li>F&oacute;rum de d&uacute;vidas;<\/li>\n\n\n\n<li>Simulados com quest&otilde;es in&eacute;ditas;<\/li>\n\n\n\n<li>Quest&otilde;es comentadas;<\/li>\n\n\n\n<li>Mapas mentais; e<\/li>\n\n\n\n<li>Entre muitas outras vantagens.<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Ficou interessado? Ent&atilde;o, clique no banner e veja tudo sobre os cursos oferecidos pelo <span id=\"urn:enhancement-cec8ac93-3769-44df-88fd-eae43ff44559\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/estrategia_vestibulares\">Estrat&eacute;gia Vestibulares<\/span>!<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"Saiba como estudar o conceito f\u00edsico que mede a influ\u00eancia que uma carga pode exercer ao seu redor \n","protected":false},"author":48,"featured_media":90044,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-90043","post","type-post","status-publish","format-standard","has-post-thumbnail","category-atualidades-e-dicas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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