Предмет: Физика, автор: baupamykob

Определить энергию магнитного поля катушки,состоящей из 200 витков,если при силе 4А в ней возникает магнитный поток,равный 0,01 Вб.

Ответы

Автор ответа: sokolovvovikn

W=n*L*I^2/2
Ф=L*I
W=n*Ф*I/2=200*0,01*4/2=4 Дж

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