JEE Main 20253 Apr, Morning shiftPhysicsMediumElectrostatics167× since 2002
The electrostatic potential on the surface of uniformly charged spherical shell of radius R = 10 cm is 120 V. The potential at the centre of shell, at a distance r = 5 cm from centre, and at a distance r = 15 cm from the centre of the shell respectively, are: