7 A solid conducting sphere of radius a having a charge Q is

Last updated: 6/24/2023

7 A solid conducting sphere of radius a having a charge Q is surrounded by a connectric conducting spherical shell of inner radius 2a and outer radius 3a as shown in figure Find the final potential of inner surface of shell when switch is closed a c kQ b 2a kQ 4a d kQ 3a kQ 6a 3a 2a