A battery of emf E 12 5 V is connected across a 4m long

Last updated: 6/21/2023

A battery of emf E 12 5 V is connected across a 4m long uniform wire having resistance 492 m Two cell of small EMFs 2V and 4V having internal resistance 20 and 6 respectively are connected as shown in the figure If galvanometer shows no deflection at the point N the distance of point N in m from the point A is equal to Eo A 1 r1 52 12 R 40 www wwG N B