Q.
The potential difference between points P and Q in the circuit shown is :
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a
6 V
b
2 V
c
10 V
d
14 V
answer is A.
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Detailed Solution
Effective voltage in circuit (E)=E1−E2=10V∵ Cs=C1C2C1+C2=1.2 μF ∴ Q= Charge on capacitors =CsV =1.2μF×10V =12μC ∴ P.D. across P and Q=12uC12uF=6V.
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