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Fraction of total current through a galvanometer shunted by a given fraction of its resistance

The same question, asked 2 times: 9 May 2024 S1*, 15 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    9 May 2024 S1

    12
    A galvanometer of resistance GG is shunted with a resistance of 10%10\% of GG. The part of the total current that flows through the galvanometer is

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  2. Question 2

    15 Apr 2026 S1

    130
    If a galvanometer is shunted by (1n−1)th\left(\dfrac{1}{n - 1}\right)^{th} of the value of its resistance, then the fraction of the total current passing through the galvanometer is

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