30 In a potentiometer of 10 wires the balance point for

Last updated: 6/26/2023

30 In a potentiometer of 10 wires the balance point for measuring the emf of a cell is obtained on 6th wire To shift the balance point on 8th wire we should 1 Decrease resistance in series with the cell whose emf is to be measured 2 Increase resistance in series with the cell whose emf is to be measured 3 Decrease resistance in main circuit in series with potentiometer battery 4 Increase resistance in main circuit in series with battery