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      <title>Circuitos Elétricos by Diogo Silva</title>
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      <description></description>
      <language>en-us</language>
      <pubDate>2018-04-10 08:43:43 UTC</pubDate>
      <lastBuildDate>2026-01-05 15:17:54 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>                                         Indução eletromagnética </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250165012</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:49:49 UTC</pubDate>
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      <item>
         <title>                                           1.1 Força magnética</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250165224</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:50:28 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250165224</guid>
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      <item>
         <title>Magnetismo</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250165520</link>
         <description><![CDATA[<div>Magnetismo é uma força exercida em materiais ferromagnéticos, tais como o ferro e níquel, que dependendo dos polos, os atrai ou repele. Caso os polos sejam de origens diferentes exerce uma força de atração, e caso sejam polos de origens iguais exercem uma força repulsora. </div>]]></description>
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         <pubDate>2018-04-10 08:51:16 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250166195</link>
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         <pubDate>2018-04-10 08:53:28 UTC</pubDate>
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      <item>
         <title>Íman natural </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250166429</link>
         <description><![CDATA[<div>Um íman natural é um mineral com propriedades magnéticas, como o óxido de ferro.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:54:12 UTC</pubDate>
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         <title>Íman artificial </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250166542</link>
         <description><![CDATA[<div>Um íman artificial é um corpo de material ferromagnético que é submetido a um intenso campo magnético.<br><br></div>]]></description>
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         <pubDate>2018-04-10 08:54:35 UTC</pubDate>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250166953</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 08:55:45 UTC</pubDate>
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      <item>
         <title>                                           1.2 Campo Magnético</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167092</link>
         <description><![CDATA[<div>Em qualquer íman, através do seu tamanho ou forma, existem duas regiões distintas: </div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:56:18 UTC</pubDate>
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      <item>
         <title>Regiões Ativas ou Polares </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167358</link>
         <description><![CDATA[<div>As extremidades que concentram as propriedades magnéticas.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:56:58 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167358</guid>
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      <item>
         <title>Zona neutra ou linha neutra </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167489</link>
         <description><![CDATA[<div>Não manifesta qualquer tipo de ação magnéticas. </div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:57:31 UTC</pubDate>
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      <item>
         <title>Experiência de Oersted </title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167603</link>
         <description><![CDATA[<div>Ao colocar&nbsp;um fio condutor retilíneo ligado a uma bateria, sem fluxo de corrente elétrica, e uma bússola com a agulha paralelamente abaixo do fio. Ligando o fluxo de corrente iremos ver que a agulha da bússola irá girar, invertendo o sentido da corrente, a agulha irá girar para o sentido oposto.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:57:59 UTC</pubDate>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250167921</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 08:59:00 UTC</pubDate>
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      <item>
         <title>Tesla</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168052</link>
         <description><![CDATA[<div>Tesla (símbolo T) é a unidade de densidade de fluxo magnético (ou indução magnética) no Sistema Internacional de Unidades.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:59:22 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168052</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168173</link>
         <description><![CDATA[<div>A unidade recebeu o nome de Tesla devido ao cientista croata Nikola Tesla, que contribuiu com inúmeros estudos no campo do eletromagnetismo.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 08:59:46 UTC</pubDate>
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      <item>
         <title>                                    1.3 - Fluxo do campo magnético</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168570</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:01:06 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168570</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168730</link>
         <description><![CDATA[<div>No SI (Sistema Internacional de Unidades) a unidade de fluxo denomina-se weber (Wb).</div><div>  O cálculo desse fluxo das linhas baseia-se na verificação de quantas linhas existem para cada metro quadrado de determinada superfície plana, perpendicular a essas linhas.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:01:35 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168730</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168999</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 09:02:25 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250168999</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169258</link>
         <description><![CDATA[<div><br></div><div>  Desta forma, podemos dizer que o número de linhas que atravessa uma superfície plana, colocada perpendicularmente a um campo magnético, é proporcional ao produto do campo magnético pela área da superfície, (B x A). Esse produto recebeu o nome de fluxo de B (ou fluxo magnético) através da superfície, sendo representado por ϕ. Assim, temos:  ϕ = B . A </div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:03:25 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169258</guid>
      </item>
      <item>
         <title>                                     1.4 Corrente Elétrica Induzida</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169568</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:04:40 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169568</guid>
      </item>
      <item>
         <title>Lei de Faraday</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169691</link>
         <description><![CDATA[<div>A corrente induzida num circuito fechado é diretamente proporcional à variação do fluxo do campo magnético através da superfície limitada pelo circuito.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:05:22 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169691</guid>
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      <item>
         <title>                                           1.5  Corrente Elétrica</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169764</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:05:44 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169764</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169914</link>
         <description><![CDATA[<div>Uma corrente contínua mantém sempre o seu sentido, sendo assim, sempre positiva ou negativa. Existem 3 tipos de corrente:</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:06:16 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250169914</guid>
      </item>
      <item>
         <title>Corrente continua constante</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170071</link>
         <description><![CDATA[<div>Diz se corrente continua quando no gráfico é representada uma linha reta. Este tipo de corrente é comum em pilhas e baterias</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:06:54 UTC</pubDate>
         <guid>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170071</guid>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170375</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 09:08:10 UTC</pubDate>
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      </item>
      <item>
         <title>Corrente continua pulsante</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170632</link>
         <description><![CDATA[<div>Esta corrente é alterada periodicamente por variações constantes ou não constantes, no entanto não altera o seu sentido. Este sistema é utilizado em retificadores de corrente alternada.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:09:10 UTC</pubDate>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170764</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 09:09:49 UTC</pubDate>
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      <item>
         <title>Corrente alternada</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250170840</link>
         <description><![CDATA[<div>Dependendo da forma como é gerada, este tipo de corrente altera sempre o seu sentido, ou seja, tanto pode estar positiva como negativa. Este tipo de corrente é geralmente encontrada em casa.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:10:07 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250171234</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 09:11:51 UTC</pubDate>
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      <item>
         <title>                                           1.6 Transformadores</title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250171835</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:14:40 UTC</pubDate>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250172186</link>
         <description><![CDATA[<div>Dispositivos capazes de aumentar ou diminuir valores de tensão.</div><div>É constituido por um nucleo e duas bobinas com numero diferente de espiras.</div><div>A tensão de entrada e saida é proporcional ao numero de espiras</div><div>Se a energia for conservada o valor de potencia no primario(bobina que entra tensão) no secundario(bobina que sai tensão) é igual.</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-04-10 09:16:17 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/250172480</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-10 09:17:36 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/252456755</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-17 08:12:04 UTC</pubDate>
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      <item>
         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/252472478</link>
         <description><![CDATA[<div>Testa os teus conhecimentos com um simples teste de escolha múltipla!</div>]]></description>
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         <pubDate>2018-04-17 09:04:40 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/252476876</link>
         <description><![CDATA[<div>Para uma explicação mais detalhada clique aqui</div>]]></description>
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         <pubDate>2018-04-17 09:20:12 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
         <link>https://padlet.com/ogosaraiva/9fynva3icg08/wish/252477540</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-04-17 09:22:38 UTC</pubDate>
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         <title></title>
         <author>ogosaraiva</author>
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         <pubDate>2018-04-17 09:30:09 UTC</pubDate>
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