Предмет: Физика, автор: Aantoshka

Сила струму в електропрасці становить 4А, а опір - 50 Ом. Яка

потужність праски?​

Ответы

Автор ответа: sofiakuzchil
1

Ответ:

////////////////   800 Вт

Объяснение:

Дано:

I = 4A

R = 50 Ом

Знайти: Р - ?

                                               Розв'язання

P = I² · R

[P] = A² · Oм = Вт

P = 4² · 50 = 800 Вт

Відповідь: 800 Вт

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