MHT CET 2025 Physics question

If only 5% of the total current is to be passed through galvanometer of resistance G, then the resistance of the shunt will be

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

Let the total current be . Current through the galvanometer , so current through the shunt is . Galvanometer and shunt are in parallel, so their potential differences are equal: .

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Question ID VK-100658