Ответ:
R1=R2=R3=3 Ом
U=60В
__________
R-?
I1-?
I2-?
I3-?
U1-?
U2-?
U3-?
R=R1+R23
1/R23=1/R2+1/R3 => R23=R2*R3/(R2+R3)
R=R1+R2*R3/(R2+R3)
R=3+3/2=4.5 Ом
I1=I=U/R=60/4.5≈13.33А
U1=I1R1=13.33*3=40В
U2=U3=U-U1=60-40=20В
I2=I3=I1/2=13.33/2≈6.67A
Объяснение:
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Ответ:
R1=R2=R3=3 Ом
U=60В
__________
R-?
I1-?
I2-?
I3-?
U1-?
U2-?
U3-?
R=R1+R23
1/R23=1/R2+1/R3 => R23=R2*R3/(R2+R3)
R=R1+R2*R3/(R2+R3)
R=3+3/2=4.5 Ом
I1=I=U/R=60/4.5≈13.33А
U1=I1R1=13.33*3=40В
U2=U3=U-U1=60-40=20В
I2=I3=I1/2=13.33/2≈6.67A
Объяснение: