R=R1+r2*R3/(R2=R3)=6+12*60/(12+60)=16 Ом I=U/R=120/16=7,5 A
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R=R1+r2*R3/(R2=R3)=6+12*60/(12+60)=16 Ом I=U/R=120/16=7,5 A