20 In potentiometer wire of length L and resistance 10 2 is

Last updated: 6/25/2023

20 In potentiometer wire of length L and resistance 10 2 is connected in series with a battery of emf 2 5 V and a resistance in its primary circuit The null point corresponding to a cell of a emf 1 V is obtained at a distance If the resistance in the primary circuit is doubled then the position of new null point will be 1 0 6L 2 0 8L 3 4L 4 0 5L