Предмет: Физика, автор: ymnikymm

Вычислить стоимость израсходованной электроэнергии за 3 ч глажения утюгом.Сила тока в нём 1,5 А при напряжении 220В Стоимость энергии 6 руб. за 1кВт. ч (6руб)

Ответы

Автор ответа: 164502il

Q=Uit=220*1,5*3=990 кВт*ч
p=990*6=5940 руб

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