Вопрос школьника по предмету Физика
Помогите пожалуйста решить задачу, Через катушку индуктивностью 3Гн протекает электрический ток 4А. Чему равна энергия магнитного поля катушки?
Пожалуйста с решением.
Ответ учителя по предмету Физика
L=3 Гн I=4 A W=?
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W=L*I²/2=3*16/2=24 Дж
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