23 A potentiometer wire of length 4 m and resistance 8 2 is

Last updated: 6/7/2023

23 A potentiometer wire of length 4 m and resistance 8 2 is connected in series with a battery of emf 2 V and negligible intemal resistance If the emf of the cell balances against a length of 217 cm of the potentiometer wire find the emf of the cell