Obtain an expression for electric potential due to a point charge and show graphically the variation in electric field and potential with distance.

Derive an expression for potential energy due to a point charge.

Derive an expression for electric field intensity due to a point charge in a material medium.

Derive an expression for an electrostatic potential due to a system of charges.

Derive an expression for thin prism.

Derive an expression for an electric field due to a charged infinite plane sheet.

Derive an expression for potential energy.

Derive an expression for the electric intensity due to an electric dipole at a point on the axis of dipole. When a point charge of 5 xx 10^-9 C is taken from point A to point B, the work done is 10^-6 J. Find the potential difference between points A and points B.

Derive an expression for potential energy of a single charge in an external electric field.

Derive the expression for electric intensity at a point on the axis of a dipole