0 Four changes are arranged at the corners of a square ABCD

Last updated: 6/10/2023

0 Four changes are arranged at the corners of a square ABCD as shown in the adjoining figure The force on a positive charge kept at the centre O is D 2q 24 2q B C 1 Zero 2 Along the diagonal AC 3 Along the diagonal BD 4 Perpendicular to side AD Two small spherical balls each carrying a 12 Ach surf If ra dr dt 1