Предмет: Физика, автор: brigadir1904sssss

ПОМОГИТЕ
Електричне поле, переміщуючи по провіднику заряд 4 Кл, виконує роботу 20 кДж. Визначити напругу на кінцях провідника.

Электрическое поле, перемещая по проводнику заряд 4 Кл, выполняет работу 20 кДж. Определить напряжение на концах проводника.

Ответы

Автор ответа: bodaguc857

1

Відповідь:

W = QV

W - виконана робота (20 кДж = 20 000 Дж), Q - заряд (4 Кл = 4000 Кл), V - напруга на провіднику

V = W/Q = 20 000 Дж / 4000 Кл = 5 В

Пояснення:

Отже, напруга на кінцях провідника дорівнює 5 В.

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