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avinokurova3alina
@avinokurova3alina
July 2022
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ПОМОГИТЕ срочно нужно умоляю
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fatt52
Verified answer
U=30 B R1=60 Ом R2=120 Ом R3=40 Ом R4=20 Ом
===
R34=R3+R4=40+20=60 Ом
R234=R34*R2/(R34+R2)=60*120/(60+120)=40 Ом
Ro=R1+R234=60+40=100 Ом
Io=I1=U/Ro=30/100=0.3 A
U2=Io*R234=0.3*40=12 B
I2=U2/R2=12/120=0.1 A
I3=I4=Io-I2=0.3-0.2=0.2 A
===================
1 votes
Thanks 1
fatt52
и что я такой добрый?
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Answers & Comments
Verified answer
U=30 B R1=60 Ом R2=120 Ом R3=40 Ом R4=20 Ом===
R34=R3+R4=40+20=60 Ом
R234=R34*R2/(R34+R2)=60*120/(60+120)=40 Ом
Ro=R1+R234=60+40=100 Ом
Io=I1=U/Ro=30/100=0.3 A
U2=Io*R234=0.3*40=12 B
I2=U2/R2=12/120=0.1 A
I3=I4=Io-I2=0.3-0.2=0.2 A
===================