A short bar magnet placed with its axis at `30^(@)` with a uniform external magnetic field of 0.25 T experiences a torque of magnitude equal to `4.5 xx 10^(-2)J`. What is the magnitude of magnetic moment of the magnet ?

A short bar magnet placed with its axis at 30^(@) with an external field of 800 G experiences a torque of 0.016 Nm. What is the magnetic moment of the magnet ?

A short bar magnet placed with its axis at 30^(@) with an external field of 800 G experiences a torque of 0.016 Nm. What is the work done in moving it from its most stable to most unstable position ?

A short bar magnet placed with its axis at 30^@ with an extemal field of 800 G experiences a tunque of 0.016 Nm, (a) What is the magnetic moment of the magnet? (b) What is the work done in moving it from its most stable to most unstable position? (c) The bar magnet is replaced by a solenoid of cros B-sectional area 2 xx 10^(-4) m^(2) and 1000 tums, but of the same magnetic moment. Determine the current flowing through the solenoid.

A short bar magnet placed with its axis at 30^(@) with an external field of 800 G experiences a torque of 0.016 Nm. The bar magnet is replaced by a solenoid of cross-sectional area 2 xx 10^(-4) m^(2) and 1000 turns, but of the same magnetic moment. Determine the current flowing through the solenoid.

A small bar magnet experiences a torque of 0.016 Nm when placed with its axis at 30° with an external field of 0.04 T. If the bar magnet is replaced by a solenoid of cross-sectional area of 1 cm^2 and 1000 turns but having the same magnetic moment as that of bar magnet, then the current flowing through the solenoid is

A square coil of side 10 cm consists of 20 turns and carries current of 12 A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30^(@) with the direction of a uniform horizontal magnetic field of magnitude 0.80 T. What is the magnitude of torque experinced by the coil ?

A bar magnet of length 0.1 m and with a magnetic moment of 5Am^(2) is placed in a uniform a magnetic field of intensity 0.4T, with its axis making an angle of 60^(@) with the field. What is the torque on the magnet ?