Odpowiedzi

2010-02-04T11:37:42+01:00
R1=5Ω
U1=10V
R2=2Ω
U2=8V
E=?
Rw=?
I1=U1/R1=10V/5Ω=2A
I2=U2/R2=8V/2Ω=4A
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E=I1(R1+Rw)
E=I2(R2+Rw)
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E=2(5+Rw)
E=4(2+Rw)
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2(5+Rw)=4(2+Rw)
10+2Rw=8+4Rw
-2Rw=-2
Rw=1Ω
E=I1(R1+Rw)=2(5+1)=12V
Rw=1Ω, E=12V
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