Two capacitors of caacity C1 and C2 are connected in series and potential difference V is applied across it. Then the potential difference acrossC1 will be
VC2C1
VC2C1+C2
VC1+C2C1
VC1C1+C2
A
VC2C1
B
VC1+C2C1
C
VC2C1+C2
D
VC1C1+C2
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Solution
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Given: two capacitors of capacity C1 and C2 are connected in series and potential difference V is applied across it.
Solution: We know that,
Q=Cnet V
Q=(C1C2c1+C2)V
∴,Voltage across C1=QC1
=(c1c2)v(c1+c2)c1
=c2c1+c2v
So,thecorrectoption:C
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