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MHT CET 2023 (10 May, Shift 1) · Kirchhoff's Laws & Measuring Instruments

Kirchhoff's Laws & Measuring Instruments question from MHT CET 2023 (10 May, Shift 1)

Q79MHT CET 2023 · 10 MAY · SHIFT 1Easy

Kirchhoff's Laws & Measuring Instruments

If only $1\%$ of total current is passed through a galvanometer of resistance ' $G$ ' then the resistance of the shunt is

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Answer: (d)

$S = \frac{I_g G}{I - I_g}$ for a shunt across the galvanometer.
$I_g = 0.01I \Rightarrow S = \frac{0.01G}{0.99} = \frac{G}{99}$
So the answer is (d) $\frac{G}{99}\ \Omega$ .

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