Solve this soon....
Dear student,
To keep the system in equilibrium, the net force experienced by charges at A, B and C should be zero. For this another charge of opposite sign should be placed at the centroid of the triangle. Let this charge be -Q.
Regards,
To keep the system in equilibrium, the net force experienced by charges at A, B and C should be zero. For this another charge of opposite sign should be placed at the centroid of the triangle. Let this charge be -Q.
Regards,