Question

Умоляю помогите!!SOS!!!

Answer 1

1) U=I*R=30*0.25=7.5 B

2)R=po*L/S=1.1*40/0.5=88 Ом

3) R=0.023*1.5/0.1=0.345 Ом

U=I*R=0.5*0.345=0.17 В

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