1) последовательное R123=R1+R2+R3=10+10+10=30 Ом R45=R4+R5=10+10=20 Ом параллельно R=R123*R45/(R123+R45)=30*60/(30+60)=20 Ом ================= R23=R2*R3/(R2+R3)=30*60/(30+60)=20 Ом I=U1/R1=48/20=2.4 A U23=I1*R23=2.4*20=48 B I2=U23/R2=48/30=1.6 A I3=U23/R3=48/60=0.8 A ==================================
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1) последовательноеR123=R1+R2+R3=10+10+10=30 Ом
R45=R4+R5=10+10=20 Ом
параллельно
R=R123*R45/(R123+R45)=30*60/(30+60)=20 Ом
=================
R23=R2*R3/(R2+R3)=30*60/(30+60)=20 Ом
I=U1/R1=48/20=2.4 A
U23=I1*R23=2.4*20=48 B
I2=U23/R2=48/30=1.6 A
I3=U23/R3=48/60=0.8 A
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