
电学题目,请帮我做一下 20
1个回答
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a)Rab=R//R1+R1//R=2x2x4/6=8/3Ω
b)Rab=R1//{[(R1+R)//R+R]//R+R}
=4//{[6//2+2]//2+2}
=4//{[3.5]//2+2}
=4//3.27
=1.8Ω
c)Rab=R//R=1Ω
d)Rab=R//R//R//R=0.5Ω
e)Rab=R//(R//R+R)=2//3=1.2Ω
f)Rab=(R1+R1//R1)//R1=6//4=2.4Ω
g)Rab=R//R+R+R1//R1=1+2+2=5Ω
b)Rab=R1//{[(R1+R)//R+R]//R+R}
=4//{[6//2+2]//2+2}
=4//{[3.5]//2+2}
=4//3.27
=1.8Ω
c)Rab=R//R=1Ω
d)Rab=R//R//R//R=0.5Ω
e)Rab=R//(R//R+R)=2//3=1.2Ω
f)Rab=(R1+R1//R1)//R1=6//4=2.4Ω
g)Rab=R//R+R+R1//R1=1+2+2=5Ω
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