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Transformadores, relação entre espirar e resistência.
Com a formula da relação de transformação(V1/V2 = N1/N2). onde;
V1= tensão de entrada
V2= tensão de saída
N1= numero de espira do primeiro enrolamento.
N2= do segundo enrolamento.
conseguimos chegar a potência de saída.
Gostaria de saber porque quando trocamos o numero de espira pela resistência do fio o valor mostrado no voltímetro não condiz com a conta teórica feita com a resistência no lugar do numero de espira?
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