Ответ:
R2=2 Ом
R123=8+2+50=60 Ом
Rобщ=60*30/(60+30)= 20 Ом
I=I1=I2=I3=U1/R1=24/8=3A, U=I*Rобщ=3*60=180B, I4=180/30=6A
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Ответ:
R2=2 Ом
R123=8+2+50=60 Ом
Rобщ=60*30/(60+30)= 20 Ом
I=I1=I2=I3=U1/R1=24/8=3A, U=I*Rобщ=3*60=180B, I4=180/30=6A