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Задача. Через резистор с электрическим сопротивлением 5Ом проходит ток 150мА.Какая мощностьвыделяеться на резисторе и какую работу совершает электрический ток в течение 2ч.
Ответы 1
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P=I^2*R=0,15^2*50=1,125 ВтA=P*t=1,125*2*3600=8100 Дж
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Автор:
snoopycooley - 6 лет назад
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