Charges `Q-q, Q,-q` are placed at the corners `A, B, C,D` of a square respectively.
Channel: Doubtnut
Date: 2020-01-19

Charges `Q-q, Q,-q` are placed at the corners `A, B, C,D` of a square respectively. If the resultant force on the charge `Q` is zero due to other charges, what is the relation between `Q` and `q`?