Предмет: Физика, автор: alyona367

вольтметр обладает сопротивлением 20 кОм,показывает напряжение 40 В.Какова сила тока идущего через вольтметр?

Ответы

Автор ответа: Яринка1977
0
I = U / R; I = 40 В / 20000 Ом = 0,002 А
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