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MHT CET 2023 (9 May, Shift 1) · Kirchhoff's Laws & Measuring Instruments

Kirchhoff's Laws & Measuring Instruments question from MHT CET 2023 (9 May, Shift 1)

Q80MHT CET 2023 · 9 MAY · SHIFT 1Easy

Kirchhoff's Laws & Measuring Instruments

A galvanometer of resistance $G$ is shunted with a resistance of $10\%$ of $G$ . The part of the total current that flows through the galvanometer is

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Answer: (a)

Current divides inversely as resistance: $I_g = I\frac{S}{S + G}$ .
$S = 0.1G \Rightarrow I_g = I\frac{0.1G}{1.1G} = \frac{I}{11}$
So the answer is (a) $\frac{1}{11}I$ .

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