9 A potentiometer wire AB having length L and resistance 12r

Last updated: 6/13/2023

9 A potentiometer wire AB having length L and resistance 12r is joined to a cell D of emfe and internal resistance r A cell C having emf and internal resistance 3r is connected The length AJ at which the galvanometer as shown in fig shows no deflection is JEE Main 2019 1 3 1124 12 A Der N m 3r B 2 24 4 13 L 24