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ltybc2000
@ltybc2000
May 2022
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Найти U2,3 Уже нашёл-R23=3 ом R234=6 ом R2345=3 ом RAB=5 ом U4=36В I5=12 А U5=72 В
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duanazey
R(1,2)=R1+R2=50 Ом;
R3=R(1,2)=50 Ом => R(1-3)=R(1,2)/2=R3/2=25 Ом;
Rэкв=R(1-3)+R4+R5=50 Ом;
I4=I5=I=5 A;
U4=I*R4=75 B;
U5=I*R5=50 B;
U3=I*R(1-3)=125 B;
I3=U3/R3=2,5 A;
v1. I1=I2=U3/R(1,2)=2,5 A;
v2. I1=I2=I-I3=2,5 A;
U1=I1*R1=50 B;
v1. U2=I2*R2=75 B;
v2. U2=U3-U1=75 B;
v1. U=U3+U4+U5=250 B;
v2. U=I*Rэкв=250 B.
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Answers & Comments
R3=R(1,2)=50 Ом => R(1-3)=R(1,2)/2=R3/2=25 Ом;
Rэкв=R(1-3)+R4+R5=50 Ом;
I4=I5=I=5 A;
U4=I*R4=75 B;
U5=I*R5=50 B;
U3=I*R(1-3)=125 B;
I3=U3/R3=2,5 A;
v1. I1=I2=U3/R(1,2)=2,5 A;
v2. I1=I2=I-I3=2,5 A;
U1=I1*R1=50 B;
v1. U2=I2*R2=75 B;
v2. U2=U3-U1=75 B;
v1. U=U3+U4+U5=250 B;
v2. U=I*Rэкв=250 B.