State the Gauss’s theorem. Findout the expression for electric field’ inside and outside ofa spherical shell.

State the properties of electric field lines.

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

What does a toroid consist of ? Find out the expression for the magnetic field inside a toriod for N turns of the coil having an average radius r and carrying current I. show that the magnetic field in the open space inside and outside the torroid is zero.

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

State Gauss' theorem in electrostatics.

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

Using Gauss' law deduce the expression for the electric field due to a uniformly charge spherical conducting shell of radius R at a point (i) outside the shell.

Using Gauss' law deduce the expression for the electric field due to a uniformly charge spherical conducting shell of radius R at a point (ii) inside the shell.

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.