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MHT CET Physics question

PhysicsCurrent ElectricityMHT CET

An accumulator of 5 volt is connected through a resistance of to a potentiometer wire 10 m long and of resistance . For a cell, the null point is found at a length of 8 m from the common terminal. The current through the wire is

Answer: (B)

Solution

A; the null-point length is not needed for the

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Question ID VK-045226