Consider a point charge +q placed at the origin and another point charge -2p placed at a distance of 9 m from the charge `+q` . Determine the point between the two charges at which electric potential is zero.

When the separation between two charges is increased, the electric potential energy of the charges

A point charge q is placed at the midpoint of a cube of side L. The electric flux emerging from the cube is

A point charge +q is placed at the midpoint of a cube of side l. the electric flux emerging from the cube is

A point charge Q is placed at the origin . Find the electrostatic energy stored outside the sphere of radius R centred at the origin.

A thin. Metallic spherical shell contains s charge Q on it. A point charge q is placed at the centre of the shell and another charge q_1 is placed outside it as shown in figure (30-Q1). All the three charges are positive. The force on the charge at the centre is

Two identical point charges'of magnitude -q are fixed as shown in the figure below. A third charge +q is placed midway between the two charges at the point P. Suppose this charge is displaced a small distance from the point P in the directions indicated by the arrows, in which direction(s) will +q be stable with respect to the displacement?

A point charge q is placed in a cavity in a metal block. If a charge Q is brought outside the metal, will the charge q feel an electric force?