In a potentiometer of 10 wires, the balance point is obtained on the 6 th wire. To shift the balance point to 8 th wire, we should

Question

In a potentiometer of 10 wires, the balance point is obtained on the 6 th wire. To shift the balance point to 8 th wire, we should, Increase resistance in the main circuit, Decrease resistance in the main circuit, Increase resistance in series with the cell whose emf is to be measured, Decrease resistance in series with the cell whose emf is to be measured

MARKS App · Accepted Answer

By increasing resistance in the primary circuit the P.G of the wire decreases thereby it requires more length to measure the emf of secondary cell. ∴ By increasing the resistance in series circuit we can move balancing point from sixth to eight wire.

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