A bar magnet having a magnetic moment of 4times10^(4)JT^(-1) is free to rotate in a horizontal plane.A horizontal magnetic field B=5times10^(-4)T exist in the space.The work done in taking the magnet slowly from a direction parallelto the field to a direction "60(deg) from the field is

A bar magnet having a magnetic moment of 2xx10^(4) JT^(-1) is free to rotate in a horizontal plane. A horizontal magnetic field B=6xx10^(-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 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 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 with magnetic moment 2.5xx10^(3)JT^(-2) is rotating in horizontal plane in the space containing magnetic induction B=4xx10^(5)T . The work done in rotating the magnet slowly from a direction parallel to the field to a direction 45^(@) from the field, is (in joule).