Question

физика помогите, спасибо

Answer 1

R12=R1*R2/(R1+R2)=50*100/(50+100)=33.3 Ом
Ro=R12+R3=33.3+30=63.3 Ом
Io=I3=Uo/Ro=130/63.3=2 A
U12=Io*R12=2*33.3=68.4 B
I1=U12/R1=68.4/50=1.4 A
I2=Io-I1=2-1.4=0.6 A
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