A bar magnet is 0.1 m long and its pole strength is 12 Am. Find the magnetic induction at a point on its axis at a distance of 0.2 m from its centre.

The magnetic field B due to a current carrying circular loop of radius 12cm at its centre is 0.5xx10^-4T . Find the magnetic field due to this loop at a point on the axis at a distance of 5.0cm from the centre.

A bar magnet of length 0.1 m has a pole strength of 50 A m. Calculate the magnetic field at distance of 0.2 m from tis centre on its equitorial line.

A bar magnet of length 0.1 m has a pole strength of 50 A m. Calculate the magnetic field at distance of 0.2 m from tis centre on its axial line

A bar magnet of length 10cm is placed in the magnetic meridian with its north pole pointing towards the geographical north. A neutral point is obtained at a distance of 12cm from the centre of the magnet. Find the magnetic moment of the magnet, when H=0.34 gauss.

A short bar magnet has a magnetic moment of 0.24 JT^(-1) . Calculate the magnitude of the magnetic field produced by the magnet at a distance of 10 cm from the centre of the magnet, on the axis of the magnet.

A short bar magnet has a magnetic moment of 0.48 J T^-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 the axis.