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JEE Main Physics Class 11 Physical world and Measurements Part 2 Questions

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Question : 54

Total: 100

A null point is found at 200‌cm in potentiometer when cell in secondary circuit is shunted by 5Ω. When a resistance of 15Ω is used for shunting null point moves to 300‌cm. The internal resistance of the cell is ______ Ω.

[29-Jan-2023 Shift 2]

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