Предмет: Физика, автор: koliodiiinna

Дуже треба!!
Електрична лампа розрахована на напругу 220 В і силу струму 0,5 А. Обчислити потужність струму у лампі.

Ответы

Автор ответа: cvb115

1

Ответ:

Дано:

U= 220 В,

I = 0,5 А

P=?

_____________________

P = U*R

Р = 220 В * 0,5 А = 110 Вт

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