Физика. Решите плз...

Question

Физика. Решите плз...

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Answer 1

R12 = R1+R2 = 8+4 = 12 Ом
R34 = R3+R4 = 2+10 = 12 Ом
R1_4 = R12*R34/(R12+R34) = 12*12/(12+12) = 6 Ом
R = R1_4*R5 / (R1_4+R5) = 6*12 / (6+12) = 4 Ом

I = U / R = 32 / 4 = 8 А