For the circuits shown in figures $I$ and $II$, the voltmeter reading would be
A$2\,V$ in circuit $I$ and $0\,V$ in circuit $II$
B$0\,V$ in both circuits
C$2\,V$ in both circuits
D$0\,V$ in circuit $I$ and $2\,V$ in circuit $II$
AIIMS 2012, Medium
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D$0\,V$ in circuit $I$ and $2\,V$ in circuit $II$
d In the circuit $I$, the key is open so current in the circuit is zero. Therefore the voltmeter gives $0\,V$ reading. In the circuit $II$ , the reading of the voltmeter is $2\,V$.
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