Предмет: Физика, автор: ЮлияКиров

каково напряжение на автомобилдьной лампочке. если при прохождении через неё заряда, равноо 100Кл, была совершена работа 1200Дж? ПОМОГИТЕ! 

А. 12 В.

Б. 24 В.

В. 100 В.

Ответы

Автор ответа: vad580
0

U=frac{A}{q}

 

U=1200/100=12В

Автор ответа: Бетси
0

напряжение находим по формуле u=a/q и подставляем в нее и решаем  u=1200/100=12В

ответ: А

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