26 A potentiometer wire is 10m long and a potential

Last updated: 6/24/2023

26 A potentiometer wire is 10m long and a potential difference of 6V is maintained between its ends The emf of a cell which balances against a length of 180 cm of the potentiometer wire 1 1 8 V 2 1 1 V 3 1 08 V 4 1 2 V