$A, \,B$ and $C$ are voltmeters of resistance $R, \,1 .5R$ and $3R$ respectively as shown in the figure. When some potential difference is applied between $X$ and $Y,$ the voltmeter readings are $V_A, \,V_B$ and $V_C$ respectively. Then
AIPMT 2015, Medium
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The current flowing in the different branches of circuit is indicated in the figure.
$V_{A}=I R$
$V_{B}=\frac{2 I}{3} \times \frac{3}{2} R=I R$
$V_{C}=\frac{I}{3} \times 3 R=I R$
Thus, $V_{A}=V_{B}=V_{C}$
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