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Class 12 NEET Physics Current Electricity Questions Part 2

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Question : 15 of 48
 
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The emf of a cell having internal resistance 1Ω is balanced against a length of 330‌cm on a potentiometer wire. When an external resistance of 2Ω is connected across the cell, the balancing length will be :
[NEET 2023 mpr]
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