Write an expression for magnetic field intensity at any point an axial line of a bar magenet.

Write an expression for magnetic field intensity at any point an axial line of a bar magnet.

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.

Define axial line of a bar magnet.