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

Derive an expression for electric potential due to a point charge

Derive an expression for electric field intensity of a point on the equatorial line.

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

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

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

Obtain an expression for electric field intensity at a point outside a charged conducting sphere.

Obtain an expression for electric field intensity due to uniformly charged spherical shell or hollow sphere.

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 an electrostatic potential due to a system of charges.

Derive an expression for the electric flux passing through a given area.