R=R1*R2/(R1+R2)+R3+R4=8*24/(8+24)+15+20=6+35=41 Ом
I1=0,75 A
I2=I1*R1/R2=0,75*8/24=0,25 A
I3=I4=I1+I2=0,75+0,25=1 A
R=R1*R2/(R1+R2)+R3+R4=8*24/(8+24)+15+20=6+35=41 Ом
I1=0,75 A
I2=I1*R1/R2=0,75*8/24=0,25 A
I3=I4=I1+I2=0,75+0,25=1 A