Предмет: Физика, автор: Lena002

Найти напряжение, при котором в конденсаторе ёмкостью 0,4 мкФ накапливается энергия 0,6 мДж

Ответы

Автор ответа: kirills1

3

$E = \frac{CU^2}{2}$ ----------------> $U = \sqrt{\frac{2E}{C}}$

E - энергия ( 0,6 мДж = 0,0006 Дж )
С - ёмкость конденсатора ( 0,4 μФ = 0,0000004 Ф )

$U = \sqrt{ \frac{2 * 0,0006}{0,0000004} } = \sqrt{ \frac{0,0012}{0,0000004} } = \sqrt{3000}$ = 54,77 B

Lena002: спасибо

kirills1: Пожалуйста!))

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