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мощность лампы, включенной в сеть напряжения 220В, равна 60 Вт. Какую работу совершит ток за 10 с её горения?
Ответы 2
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Ну наверное так A=P*t=60*10=600 дж?
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Автор:
payten - 6 лет назад
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0
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W=60 ВаттU=220 Вольтt=10 секундНайти:A-?Решение:W=I*U I=W/U = 60/220=0.27 АмперA = U × I × t = 220 * 0,27 * 10 = 2,7 Джоуль
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Автор:
kit-katcdls - 6 лет назад
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0
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