A point charge q is placed at a distance r from the centre

Last updated: 6/9/2023

A point charge q is placed at a distance r from the centre of conducting sphere of radius R r R When the switch S is closed which of the following is correct 9 R 1 The potential at O is zero 1 q 4 r 3 The charge on sphere is zero 4 Both 2 3 are correct 2 The potential at O is S