If the galvanometer $G$ does not show any deflection in the circuit shown, the value of $R$ is given by $............\Omega$
NEET 2023, Medium
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Since galvanometer does not show any deflection $\Rightarrow i_g=0$
$\frac{10-2}{400}=\frac{2}{R} \Rightarrow R=\frac{2 \times 400}{8}=100\,\Omega$
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