A short bar magnet with its north pole facing north forms a neutral point at `P` in the horizontal plane. If the magnet is rotated by `90^(@)` in the horizontal plane, the net magnetic induction at `P` is (Horizontal component of earth's magnetic field `=B_(H))`

A short bar magnet of magnetic moment 0*5JT^-1 is placed with its magnetic axis in magnetic meridian, with its north pole pointing geographic north. A neutral point is obtained at a distance of 0*1m from the centre of the magnet. Find the horizontal component of earth's magnetic field.

A short bar magnet is placed with its north towards north of the earth. A neutral point is obtained on its equational line at a distance of 0.15 m from the centre of the magnet. If the horizontal component of the earth's magnetic field is 0.34 G, find the magnetic dipole moment of the magnet.

What is the value of horizontal component of the earth's magnetic field at the magnetic poles?

A short bar magnet is placed with its north pole pointing north. The neutral point is 10 cm away from the centre of the magnet. If H=0.4G , calculate the magnetic moment of the magnet.