I3=I-(I1+I2)=53-(3+6)=44 A
U=U1=U2=U3=I1*R1=3*8=24 B
R2=U2/I2=24/6=4 Ом
R3=U3/I3=24/44=0.55 Ом
R12=R1*R2/(R1+R2)=8*4/(8+4)=2.67 Ом
R=R12*R3/(R12+R3)=2.67*0.5/(2.67+0.5)=0.42 Ом
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Verified answer
I3=I-(I1+I2)=53-(3+6)=44 A
U=U1=U2=U3=I1*R1=3*8=24 B
R2=U2/I2=24/6=4 Ом
R3=U3/I3=24/44=0.55 Ом
R12=R1*R2/(R1+R2)=8*4/(8+4)=2.67 Ом
R=R12*R3/(R12+R3)=2.67*0.5/(2.67+0.5)=0.42 Ом
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