A point charge q is placed near hemisperical suface without base, cylindrical surface with one end
Channel: Doubtnut
Date: 2020-08-23

A point charge q is placed near hemisperical suface without base, cylindrical surface with one end open sperical surface and hemispherical surface with base as shown in the figure in (a) (b) (c) and (d) respectively In wihich of the following cases m the flux crossing through the surface is zero ?