An iron needles is attracted to the ends of a bar magnet but not to the middle region of the magnet. Is the material making up the ends of a bar magnet different from that of the middle region?

Inside a bar magnet the direction of the magnetic field lines is….. .

Whose magnetic field is like the magnetic field or a bar magnet ?

The direction of the magnetic field lines in a region outside a bar magnet is …..

Which figure , out of the following, shows the magnetic field lines of a bar magnet ?

Draw magnetic field lines around a bar magnet .

When a bar magnet is divided into two pieces,

A magnetic pole of bar magnet with pole strength of 100 Am is 20 cm away from the centre of a bar magnet. Bar magnet has pole-strength of 200 Am and has a length of 5 cm. If the magnetic pole is on the axis of the bar magnet, find the force on the magnetic pole.

At which position of a bar magnet is its magnetism maximum ?

In which direction, the magnetic field on the axis at a distance z from the centre of the bar magnet would be ?