A magnet having magnetic moment of` 2.0 xx 10^(4) (J)/(T) `is free to rotate in a horizontal plane where magnetic field is` 6 xx 10^(-5) T `. Find the work done to rotate the magnet slowly from a direction parallel to field to a direction `60^(@)`from the field .

A bar magnet having a magnetic moment of 2 xx 10 ^(4) JT ^(-1) is free to rotate in a horizontal plane. A horizontal magnetic field B = 6 xx 10 ^(-4) T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction 60^(@) from the field is

A bar magnet having a magnetic moment of 1.0 xx 10^4 J T^(-1) is free to rotate in a horizontal plane. A horizontal magnetic field B = 4 xx 10^(-5) T exists in the space. Find the work done in rotating the magnet slowly from a direction parallel to the field to a direction 60^@ from the field.

A magnetised needle of magnetic moment 4.8 xx 10^-2JT^-1 is placed at 30^@ with the direction of uniform magnetic field of magnitude 3xx10^-2T . Calculate the torque acting on the needle.

The horizontal component of earths's magnetic field at a place is 0.3 xx 10^-4T . If the angle of dip is 60^@ , what is the total earth's magnetic field?

A bar magnet of magnetic moment M is aligned parallel to the direction of a uniform magnetic field B. Calculate work done to align the magnetic moment normal to field direction?

A bar magnet of magnetic moment 1.5 J T^-1 lies aligned with the direction of a uniform magnetic field of 0.22 T.What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment: normal to the field direction?

A bar magnet of magnetic moment 1.5 JT^-1 lies aligned with the direction of a uniform magnetic field of 0.22 T. What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment? normal to the field direction.

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.

A bar magnet of magnetic moment 1.5 J T^-1 lies aligned with the direction of a uniform magnetic field of 0.22 T.What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment: opposite to the field direction?

A short magnet of magnetic moment 2.0 Weber-metre is lying in a horizontal plane with its north pole pointing 60^(@) east of north. Find the net magnetic field at a point north of the magnet 0.2 m away from it. Horizontal component of earth's magnetic field = 0.3 xx 10^(-4) T.