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in Electric Circuit by (61.1k points)

The resistance of 10 m potentiometer wire is 1 Ω/m. Battery accumulator of 2.2 V and negligible internal resistance and high resistance connecting in series with the wire. For achieving 2.2 mV/m potential gradient how much high resistance will have to take?

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Best answer

Length of potentiometer wire
LAB = 10m
Density of resistance of wire = 1 Ω/m
Resistance of potentiometer

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