{"id":4236,"date":"2018-11-14T02:15:46","date_gmt":"2018-11-14T02:15:46","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=4236"},"modified":"2024-08-22T13:10:56","modified_gmt":"2024-08-22T13:10:56","slug":"eletrodinamica-05-resistor-equivalente-req","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/formulario\/eletrodinamica-05-resistor-equivalente-req\/","title":{"rendered":"Eletrodin\u00e2mica 05 – Resistor equivalente (Req)"},"content":{"rendered":"

Formul\u00e1rio completo de F\u00edsica com informa\u00e7\u00f5es \u00fateis <\/b><\/span><\/span><\/span><\/p>\n

(Dicas para vestibulares)<\/b><\/span><\/span><\/span><\/p>\n

Eletrodin\u00e2mica 05<\/b><\/span><\/span><\/span><\/p>\n

Resistor equivalente (R<\/span><\/span><\/span>eq<\/span><\/span><\/sub><\/span>)<\/span><\/span><\/span><\/p>\n

<\/p>\n

Resistor equivalente na associa\u00e7\u00e3o s\u00e9rie<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Associa\u00e7\u00e3o paralelo<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

C\u00e1lculo da resist\u00eancia (R<\/b><\/span><\/span><\/span>eq<\/b><\/span><\/span><\/sub><\/span>) do resistor equivalente na associa\u00e7\u00e3o paralelo<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Resistor equivalente na associa\u00e7\u00e3o mista<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

<\/p>\n

Curto circuito (CC)<\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n

Exemplos de aplica\u00e7\u00f5es <\/b><\/span><\/span>da teoria acima voc\u00ea encontra em <\/b><\/span><\/span>fisicaevestibular.com.br \u2013 Eletricidade \u2013 Eletrodin\u00e2mica – <\/b><\/span><\/span>Resistor equivalente nas associa\u00e7\u00f5es s\u00e9rie, paralelo e mista \u2013 curto circuito<\/span><\/span>.<\/b><\/span><\/span><\/span><\/span><\/p>\n

Informa\u00e7\u00f5es \u00fateis <\/b><\/span><\/span><\/span>(dicas para vestibulares)<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Disjuntores<\/b><\/span><\/span><\/span><\/p>\n

A fun\u00e7\u00e3o\u00a0do\u00a0<\/b><\/span><\/span><\/span>disjuntor \u00e9\u00a0interromper automaticamente a passagem da corrente<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>el\u00e9trica por um dos pontos (c\u00f4modos) da resid\u00eancia<\/b><\/span><\/span><\/span>,<\/b><\/span><\/span><\/span> quando sua <\/b><\/span><\/span><\/span>intensidade excede determinado<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>valor\u00a0<\/b><\/span><\/span><\/span>(a chave desliga).<\/b><\/span><\/span><\/span><\/p>\n

Se a\u00a0<\/b><\/span><\/span><\/span>chave do disjuntor, com o excesso de corrente el\u00e9trica n\u00e3o desligasse<\/b><\/span><\/span><\/span>, os\u00a0<\/b><\/span><\/span><\/span>fios do circuito seriam muito aquecidos podendo fundir, causando inc\u00eandios.<\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Junto aos disjuntores,<\/b><\/span><\/span><\/span>\u00a0na caixa de luz, existe um\u00a0<\/b><\/span><\/span><\/span>quadro identificador dos c\u00f4modos ou pontos atendidos por cada disjuntor, como por exemplo, ilumina\u00e7\u00e3o, tomadas, chuveiros, etc..<\/b><\/span><\/span><\/span><\/p>\n

Reostatos<\/span><\/span><\/span><\/p>\n

Reostatos<\/b><\/span><\/span><\/span>\u00a0s\u00e3o <\/b><\/span><\/span><\/span>resistores vari\u00e1veis<\/b><\/span><\/span><\/span>\u00a0cuja finalidade \u00e9\u00a0<\/b><\/span><\/span><\/span>adaptar a intensidade da corrente el\u00e9trica a valores desejados.<\/b><\/span><\/span><\/span><\/p>\n

Tipos de reostatos:<\/b><\/span><\/span><\/span><\/p>\n

Os\u00a0<\/b><\/span><\/span><\/span>principais tipos de reostatos<\/b><\/span><\/span><\/span> s\u00e3o<\/b><\/span><\/span><\/span>\u00a0\u00a0<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span><\/p>\n

Reostato de cursor<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>variando o cursor<\/b><\/span><\/span><\/span>\u00a0voc\u00ea est\u00e1 <\/b><\/span><\/span><\/span>variando a resist\u00eanci<\/b><\/span><\/span><\/span>a<\/b><\/span><\/span><\/span>\u00a0(figura 1) <\/b><\/span><\/span><\/span><\/p>\n

<\/p>\n

Reostato\u00a0<\/b><\/span><\/span><\/span>de\u00a0<\/b><\/span><\/span><\/span>pontos<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>em\u00a0<\/b><\/span><\/span><\/span>cada posi\u00e7\u00e3o da chav<\/b><\/span><\/span><\/span>e<\/b><\/span><\/span><\/span>\u00a0a\u00a0<\/b><\/span><\/span><\/span>resist\u00eancia el\u00e9trica<\/b><\/span><\/span><\/span>\u00a0tem um<\/b><\/span><\/span><\/span><\/p>\n

determinado valor<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>(figura 2).<\/b><\/span><\/span><\/span><\/p>\n

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

Formul\u00e1rio completo de F\u00edsica com informa\u00e7\u00f5es \u00fateis (Dicas para vestibulares) Eletrodin\u00e2mica 05 Resistor equivalente (Req) Resistor equivalente na associa\u00e7\u00e3o s\u00e9rie Associa\u00e7\u00e3o paralelo C\u00e1lculo da resist\u00eancia (Req) do resistor equivalente na associa\u00e7\u00e3o paralelo Resistor equivalente na associa\u00e7\u00e3o mista Curto circuito (CC) Exemplos de aplica\u00e7\u00f5es da teoria acima voc\u00ea encontra em fisicaevestibular.com.br \u2013 Eletricidade \u2013 Eletrodin\u00e2mica – Resistor equivalente nas associa\u00e7\u00f5es s\u00e9rie,<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3987,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4236","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=4236"}],"version-history":[{"count":1,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4236\/revisions"}],"predecessor-version":[{"id":4237,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/4236\/revisions\/4237"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3987"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=4236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}