Ответ:
6.
l=V/R=12B/20Oм=0.6A
7.
V=I×R=2A×20кОм=40000В=40кВ
8.
R=p×l/s=40×0.25/0.1=100 Oм
I=V/R= 6В/100 Ом=0.06А
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Ответ:
6.
l=V/R=12B/20Oм=0.6A
7.
V=I×R=2A×20кОм=40000В=40кВ
8.
R=p×l/s=40×0.25/0.1=100 Oм
I=V/R= 6В/100 Ом=0.06А