A short magnet of moment 6.4 `Am^2` lies in the magnetic meridian with north pole facing south (`B_H` =1.6 gauss). The distance between the two neutral points is

A) 20cm along the axial line

B) 20cm along the equitorial line

C) 40cm along the axial line

D) 40 cm along the equitorial line

A bar magnet 8 cm long is placed in the magnetic merdian with the N-pole pointing towards geographical north . Two netural points separated by a distance of 6 cms are obtained on the equatorial axis of the magnet . If horizontal component of earth's field =3.2xx10^(-5)T, then pole strength of magnet is

A short bar magnet has a magnetic moment of 0*48JT^-1 . Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10cm from the centre of the magnet on (i) the axis (ii) the equatorial line (normal bisector) of the magnet.

A short bar magnet has a magnetic moment of 0*48JT^-1 . Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10cm from the centre of the magnet on (i) the axis (ii) the equatorial line (normal bisector) of the magnet.

A short bar magnet has a magnetic moment of 0*48JT^-1 . Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10cm from the centre of the magnet on (i) the axis (ii) the equatorial line (normal bisector) of the magnet.

Magnetic moment of a short magnet is 16 A - m^(2) . What is the magnetic induction at a point 40 cm away on its perpendicular bisector line ?

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.

A short bar magnet is placed with its north pole pointin 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.

A short bar magnet has a magnetic moment of 0.39 J "T"^(-1) . The magnitude and direction of the magnetic field produced by the magnet at a distance of 20 cm from the centre of the magnet on the equatorial line of the magnet is

Two particle execute SHM of same amplitude of 20 cm with same period along the same line about the same equilibrium position. The maximum distance between the two is 20 cm . Their phase difference in radians is

A bar magnet of length 3cm has points A and B along its axis at distance of 24cm and 48cm on the opposite sides. Ratio of magnetic field at these points will be