A positive charge `Q` is placed at the centre `O` of a thin metalic spherical shell. Select the correct statements from the following:
(i) The electric field at any point outside the shell is zero
(ii) The electrostatic potential at any point outside the shell is `(Q)/(4 pi epsilon_(0) r)` , where `r` is the distance of the point from `O`
(iii) The outer surface of the spherical shell is an equipotential surface
(iv) The electric field at any point inside the shell , other than `O` , is zero

Options

A. `(i),(ii)`
B. `(ii),(iii)`
C. `(i),(iv)`
D. all

Answer

2