Question:
A potentiometer wire of length L and resistance 102 is
Last updated: 6/30/2023

A potentiometer wire of length L and resistance 102 is connected in series with a battery of e m f 2 5V and a resistance in its primary circuit The null point corresponding to a cell of e m f IV is L obtained at a distance If the resistance in the primary circuit is doubled then the position of new 2 null point will be