List of top Physics Questions on Electrostatics asked in UPCATET

At a distance \( r \), two equal charges are kept and they exert a force \( F \) on each other. What is the force acting on each charge, if the distance between them is doubled and charges are halved?
For a hollow spherical shell, potential \( V \) changes with respect to distance \( r \) from the centre. Which graph from the following represents this?
What does an electric dipole experience when it is kept in a non-uniform electric field?
What will be the flux coming out of any surface of a cube, if a charge \( Q\,\mu\text{C} \) is placed at the centre of the cube?