25 A potentiometer having a wire of 4m longth is connected

Last updated: 6/24/2023

25 A potentiometer having a wire of 4m longth is connected to the terminals of a battery with a steady voltage A leclanche cell has a null point at 1m If the length of the potentiometer wire is increased by 1m The position of the null point is 1 1 5m 2 1 25m 3 10 05m 4 1 31m