Дано:U=220B
Q=400Дж
t=1c
P-?
I-?
R -?
P=Q/t=400/1=400Вт
I=P/U=400/220=1,82A
R=U/I=220/1,82=121Om
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P=Q/t=400/1=400Вт
I=P/U=400/220=1,82A
R=U/I=220/1,82=121Om