Derive an expression for the electric field E due to a dipole of length 2a at a point at a distance r from the centre of the dipole on the axial line.

The electric field due to a small dipole of length 2l at distance r ( rgtgtl) from the centre of the dipole on the axial line is E. What is the distance of the point on the perpendicular bisector of the dipole from its centre in which the electric field intensity is E ?

Derive the expression for the electric potential due to an electric dipole at a point on its axial line.

Statement I : The electric field due to dipole on its axial line at a distance r is E. The electric field due to the same dipole on the equatorial line at the same distance will be (E)/(2) . Statement II : Electric field due to a dipole at a point varies inversely with distance.

Derive the expression for electric field intensity at a point on the axial line of a dipole

Derive the expression for electric field intensity at a point on equatorial line of a dipole

Derive an expression for electric field intensity at a point on the axial line of an electric dipole.

Derive and expression for electric field at a distance r from the centre of a short dipole along its axis and hence prove that the ratio of electric fields in axial position to equatorial position of dipole is is 2:1 .

For a small dipole, (iii) Find out an expression for the electric potential at a distance r from the centre of an electric dipole and inclined at an angle theta with the axis.

Derive the expression for electric field intensity due to a uniformly charged thin spherical shell at a point outside the shell

Derive the expression for electric field intensity due to a uniformly charged thin spherical shell at a point inside the shell.