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Arco elétrico: O que é e como é formado? O arco elétrico ocorre quando há uma ruptura dielétrica na qual produz uma descarga elétrica. O termo arco elétrico é o mais comum, mas ele também pode ser chamado de arco voltaico ou curto-circuito como é popularmente chamado. Este fenômeno é tão forte que consegue romper a isolação feita pelo ar, conduzindo elétrons de um eletrodo ao outro através de um fluxo de corrente. @s.fernando.sf
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