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

Obtain an expression for electric field intensity at a point outside infinitely long charged conducting cylinder.

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

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

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

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

Derive an expression for electric potential due to a point charge

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 an electric field due to a charged infinite plane sheet.

A conductor having a charge density of 120 mu C/m^2 is surrounded by a medium of dielectric constant 4 . The electric intensity at a point very near the charged conductor is

If q is the charge per unit area on the surface of a conductor, then the electric field intensity at a point on the surface is