78 A thin metallic spherical shell contains a charge Q over

Last updated: 6/7/2023

78 A thin metallic spherical shell contains a charge Q over it A point charge q is placed inside the shell at point T separated from the centre by distance a Another point charge q is placed outside the shell at a distance b from the centre as shown in the adjacent figure Now select the correct statement s from the following q JO T a 9 A R 91 91 A Electric field at the centre due to charge over outer surface of the shell is zero B Electric field at the centre due to charge over outer surface of the shell is 9 9291 4 b 1 4 La 1 91 4 La R b C Electric potential at the centre due to all charges in space is D Electric potential at the centre due to all charges in space is 9 Q 2 b