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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

When a resistance of 100 is connected in series with a galvanometer of resistance , its range is . To double its range, a resistance of 1000 ohm is connected in series. Find

Answer: (B)

Solution

With fixed: and , so ; 700, 900 and 100

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Question ID VK-078710