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Q. 15 : A potentiometer wire has length 2 m, and resistance 10 N. It is connected in series with a resistance 990 2 and a cell and emf 2V. The potential gradient along the wire is : (a) 0.01 V/ m (b) 0.02 V/m (c) 0.025 V/m (d) 0.03 V/m
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Transcribed Image Text:Q. 15 : A potentiometer wire has length 2 m, and resistance 10 N. It is connected in series with a resistance 990 2 and a cell and emf 2V. The potential gradient along the wire is : (a) 0.01 V/ m (b) 0.02 V/m (c) 0.025 V/m (d) 0.03 V/m
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