Year: 2019
Topic: Electric charges and fields
Time :
1. A hollow metal sphere of radius R is uniformly charged.The electric field due to the sphere at a distance r from the centre
(1). zero as r increases for r < R,decreases as r increases for r > R
(2). zero as r increases for r < R,increases as r increases for r > R
(3). decreases as r increases for r < Rand for r > R
(4). increases as r increases for r < R and for r > R