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Current Electricity Part 3

Section: Physics
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Question : 55 of 100
 
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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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