Magnetic field strength due to a bar magnet at a point distant d from the centre of magnet

Magnetic field strength due to a bar magnet at a point distant d from the center of magnet

The magnetic field due to a bar magnet _____

The field due to a magnet at a distance R~ from the centre of the magnet is proportional

The field due to a magnet at a distance R~ from the centre of the magnet is proportional

The magnetic field strength at a point a distance 'd' form the centre on the axial line of a very short bar magnet of magnetic moment 'M' is 'B' . Then magnetic induction at a diatance 2d from the centre on the equatorial line of a magnetic moment 8M will be

The magnetic induction field strength due to a short bar magnet at a distance 0.20 m on the equatorial line is 20 xx 10^(-6) T . The magnetic moment of the bar magnet is