Mute
Eletricidade online
O aumento da temperatura em um condutor de cobre provoca, de fato, um aumento na sua resistência elétrica. Isso ocorre devido ao fenômeno físico conhecido como coeficiente de temperatura da resistividade, no qual o aumento da temperatura intensifica a vibração dos átomos na estrutura cristalina do metal, dificultando a movimentação dos elétrons livres e elevando a resistividade do material. Entretanto, dentro das faixas de temperatura normalmente encontradas em instalações elétricas, esse aument
Follow
85
2
22
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