A magnet has ______magnetic poles.

A short bar magnet has a magnetic moment of 0.48 JT^(-1) . Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10 cm from the centre of the magnet on (a) the axis, (b) the equatorial lines (normal bisector) of the magnet.

A magnet of magnetic moment M is freely suspended in a uniform magnetic field of strength B. The work done in rotating the magnet through an angle theta is given by ________

Man-made magnets are called ____magnets.

A magnet always has ____poles.

A bar magnet of magnetic moment M is placed at right angles to magnetic induction B. If a force F is experience by each pole of the magnet, the length of the magnet will be

A metal sheet is placed in front of a strong magnetic pole. A force is needed to

If the earth's magnetic field has a magnitude 3.4 xx 10^(-5) T at the magnetic equator of the earth, what would be its value at the earth's goemagnetic poles?