Physics · 2012
NEET 2012 · Prelims · Code A · Q26
In the circuit shown the cells A and B have negligible resistances. For V_A =12 V, R_1=500 Ω and R =100 Ω the galvanometer (G) shows no deflection.…
In the circuit shown the cells A and B have negligible resistances. For $\displaystyle \mathrm{V}_{\mathrm{A}}=12 \mathrm{~V}, \mathrm{R}_1=500 \Omega$ and $\displaystyle \mathrm{R}=100 \Omega$ the galvanometer (G) shows no deflection. The value of $\displaystyle V_B$ is :

Official answer
(4)
$\displaystyle 2$ V
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NEET (UG) 2012 Physics question, with the answer from NTA’s final answer key. Where our answers come from.