A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 V. The potential at the centre of the sphere is
(a) Zero
(b) 80 V
(c) 800 V
(d) 8 V
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 V. The potential at the centre of the sphere is
(a) Zero
(b) 80 V
(c) 800 V
(d) 8 V