{"id":80925,"date":"2024-01-14T13:22:05","date_gmt":"2024-01-14T13:22:05","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/campo-eletrico-e-e-campo-magnetico-b\/"},"modified":"2024-01-20T10:12:06","modified_gmt":"2024-01-20T10:12:06","slug":"campo-eletrico-e-e-campo-magnetico-b","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/campo-eletrico-e-e-campo-magnetico-b\/","title":{"rendered":"Campo el\u00e9trico (E) e campo magn\u00e9tico (B)"},"content":{"rendered":"

Campos El\u00e9tricos (E) e Campos Magn\u00e9ticos (B): Componentes Interligados do Campo Eletromagn\u00e9tico<\/h2>\n

O campo el\u00e9trico (E) e o campo magn\u00e9tico (B) s\u00e3o componentes essenciais e interrelacionados do campo eletromagn\u00e9tico, uma regi\u00e3o no espa\u00e7o onde for\u00e7as el\u00e9tricas e magn\u00e9ticas atuam sobre cargas el\u00e9tricas e correntes. Estes campos t\u00eam um papel crucial no estudo do eletromagnetismo e no comportamento das ondas eletromagn\u00e9ticas.<\/p>\n

Campo El\u00e9trico (E)<\/h2>\n

O campo el\u00e9trico \u00e9 um campo vetorial que representa a for\u00e7a experimentada por uma part\u00edcula carregada devido \u00e0 presen\u00e7a de outras cargas el\u00e9tricas. Em um ponto no espa\u00e7o, o campo el\u00e9trico \u00e9 definido como a for\u00e7a por unidade de carga atuando sobre uma carga de teste positiva colocada nesse ponto. A intensidade e dire\u00e7\u00e3o do campo el\u00e9trico dependem da distribui\u00e7\u00e3o das cargas el\u00e9tricas e suas posi\u00e7\u00f5es relativas. Campos el\u00e9tricos s\u00e3o gerados por cargas el\u00e9tricas est\u00e1ticas, campos magn\u00e9ticos vari\u00e1veis, ou uma combina\u00e7\u00e3o de ambos. A unidade do campo el\u00e9trico \u00e9 newtons por coulomb (N\/C) ou volts por metro (V\/m). O campo el\u00e9trico pode ser representado por linhas apontando na dire\u00e7\u00e3o da for\u00e7a experimentada por uma carga de teste positiva, com a densidade das linhas indicando a intensidade do campo.<\/p>\n

Campo Magn\u00e9tico (B)<\/h2>\n

O campo magn\u00e9tico \u00e9 um campo vetorial que representa a for\u00e7a experimentada por uma part\u00edcula carregada em movimento ou uma corrente el\u00e9trica na presen\u00e7a de um campo magn\u00e9tico. Em um ponto no espa\u00e7o, o campo magn\u00e9tico \u00e9 definido como a for\u00e7a por unidade de carga atuando sobre uma part\u00edcula carregada que se move com velocidade perpendicular \u00e0s linhas do campo magn\u00e9tico. A intensidade e dire\u00e7\u00e3o do campo magn\u00e9tico dependem da distribui\u00e7\u00e3o das correntes el\u00e9tricas, materiais magn\u00e9ticos, e campos el\u00e9tricos vari\u00e1veis no tempo. A unidade do campo magn\u00e9tico \u00e9 tesla (T), equivalente a newtons por ampere-metro (N\/A\u00b7m) ou webers por metro quadrado (Wb\/m\u00b2). O campo magn\u00e9tico pode ser visualizado como linhas formando la\u00e7os fechados, com a densidade das linhas indicando a intensidade do campo.<\/p>\n

Nas ondas eletromagn\u00e9ticas, os campos el\u00e9tricos e magn\u00e9ticos oscilam perpendicularmente um ao outro e \u00e0 dire\u00e7\u00e3o de propaga\u00e7\u00e3o da onda. Ambos os campos s\u00e3o fundamentais para entender o comportamento das ondas eletromagn\u00e9ticas e suas intera\u00e7\u00f5es com a mat\u00e9ria, formando a base para in\u00fameras aplica\u00e7\u00f5es em ci\u00eancia e tecnologia, incluindo sistemas de comunica\u00e7\u00e3o, imagem m\u00e9dica e gera\u00e7\u00e3o de energia.<\/p>\n

\"\"<\/p>\n

\n Original Article<\/a>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

O campo el\u00e9trico (E) e o campo magn\u00e9tico (B) s\u00e3o dois componentes inter-relacionados de um campo eletromagn\u00e9tico, que \u00e9 uma regi\u00e3o do espa\u00e7o onde for\u00e7as el\u00e9tricas e magn\u00e9ticas s\u00e3o exercidas sobre cargas e correntes el\u00e9tricas.<\/p>\n","protected":false},"author":1,"featured_media":1581,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nao-categorizado","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\nCampo el\u00e9trico (E) e campo magn\u00e9tico (B)<\/title>\n<meta name=\"description\" content=\"O campo el\u00e9trico (E) e o campo magn\u00e9tico (B) s\u00e3o dois componentes inter-relacionados de um campo eletromagn\u00e9tico, que \u00e9 uma regi\u00e3o do espa\u00e7o onde for\u00e7as el\u00e9tricas e magn\u00e9ticas s\u00e3o exercidas sobre cargas e correntes el\u00e9tricas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/pt-br\/campo-eletrico-e-e-campo-magnetico-b\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Campo el\u00e9trico (E) e campo magn\u00e9tico (B)\" \/>\n<meta property=\"og:description\" content=\"O campo el\u00e9trico (E) e o campo magn\u00e9tico (B) s\u00e3o dois componentes inter-relacionados de um campo eletromagn\u00e9tico, que \u00e9 uma regi\u00e3o do espa\u00e7o onde for\u00e7as el\u00e9tricas e magn\u00e9ticas s\u00e3o exercidas sobre cargas e correntes el\u00e9tricas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/pt-br\/campo-eletrico-e-e-campo-magnetico-b\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - 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