Consider three charges `q_(1),q_(2)` and `q_(3)` each to q, at the vertices of an equilateral
Channel: Doubtnut
Date: 2020-07-12

Consider three charges `q_(1),q_(2)` and `q_(3)` each to q, at the vertices of an equilateral triangle of side l. What is the force on a charge Q placed at the centroid of the triangle?