Ответ:
Дано: U = I*R
I = 0.5 A U = 0.5 * 20 = 10 (B)
R = 20 Oм
__________
U - ?
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Ответ:
Дано: U = I*R
I = 0.5 A U = 0.5 * 20 = 10 (B)
R = 20 Oм
__________
U - ?