Both question a and b refer to the system of charges as

Last updated: 6/7/2023

Both question a and b refer to the system of charges as shown in the figure A spherical shell with an inner radius a and an outer radius b is made of conducting material A point charge Q is placed at the centre of the spherical shell and a total charge q is placed on the shell Charge q is distributed on the surfaces as A Q on the inner surface q on outer surface B Q on the inner surface q Q on the outer surface C Q on the inner surface q Q on the outer surface D The charge q is spread uniformly between the inner and outer surface Assume that the electrostatic potential is zero at an infinite distance from the spherical shell The electrostatic potential at a distance R a R b from the centre of the shell is A 0 B KQ a C KQ q R D K Q 9 b 9 where K a 1 4