Derive an expression for magnetic field induction on the equatorial line of a barmagnet.

Define equatorial line of a bar magnet.

Give the expression for magnetic field at a point on the equatorial line of a magnetic dipole.

What is magnetic dipole? Derive an expression for magnetic field intensity at a point on the equitorial line of a bar magnet.

Define magneticfield intensity at a point. Derive an expression for magnetic field intensity at a point on the axial line of magnetic dipole with the help of diagram.

Derive an expression for the magnetic field intensity at a point on the equatorial line of the magnetic dipole.

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