AP EAMCET Engineering 22 Apr 2019 Shift 1 Paper

Six point charges each of magnitude ‘Q' are placed at the vertices of a regular hexagon of side ‘a’ as shown in the figure. Electric field intensity on the line passing through the centre ‘O' and perpendicular to the plane of the figure at a large distance x ( ≫ a ) from ‘O' is
(

1

4πε0

=k)