28 The figure shows a charge g at point P held in

Last updated: 6/21/2023

28 The figure shows a charge g at point P held in equilibrium in air with the help of four q charges situated at the vertices of a square The net electrostatic force on q is given by PQ 4 a Newton s law c Principle of superposition 9 b Coulomb s law d Net electric flux out the position of q