R12=R1*R2/(R1+R2)=5*10/5+10)=3.33 Ом
R125=R12+R5=3.33+20=23.33 Ом
R34=R3+R4=3+8=11 Ом
U34=U125=U=240 B
I3=I4=U/R34=240/11=21.82 A
U3=I3*R3=21.82*3=65.46 B
U4=I4*R4=21.82*8=174.56 B
I5=U/R125=240/23.33=10.29 A
U5=I5*R5=10.29*2=20.58 B
U1=U2=U-U5=240-20.58=219.42 B
I1=U1/R1=219.42/5=43.89 A
I2=U2/R2=219.42/10=21.94 A
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Verified answer
R12=R1*R2/(R1+R2)=5*10/5+10)=3.33 Ом
R125=R12+R5=3.33+20=23.33 Ом
R34=R3+R4=3+8=11 Ом
U34=U125=U=240 B
I3=I4=U/R34=240/11=21.82 A
U3=I3*R3=21.82*3=65.46 B
U4=I4*R4=21.82*8=174.56 B
I5=U/R125=240/23.33=10.29 A
U5=I5*R5=10.29*2=20.58 B
U1=U2=U-U5=240-20.58=219.42 B
I1=U1/R1=219.42/5=43.89 A
I2=U2/R2=219.42/10=21.94 A
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