Question

four point charges,each +q,are fixed at the corners of a square of side ‘a’. another point charge q’ is placed at a height ‘h’ vertically above the centre of square,assuming the square to be in horizontal plane. what is the magnitude of force experienced by q’?

Answer 1

Explanation:

first square the hight and quality to factor then express the q according to the question

Answer 2

Explanation: Square the height and quality to factor then express the q according to the question