Questions in magnetism

Select	Question
	If a magnet is hanged with its magnetic axis then it stops in
	The work done in rotating a magnet of magnetic moment $2 A-m^2$ in a magnetic field of $5 \times 10^{–3} T$ from the direction along the magnetic field to opposite direction to the magnetic field, is
	The torque on a bar magnet due to the earth's magnetic field is maximum when the axis of the magnet is
	Magnetic dipole moment is a
	A bar magnet of length 3 cm has points A and B along its axis at distances of 24 cm and 48 cm on the opposite sides. Ratio of magnetic fields at these points will be
	A magnet of magnetic moment $2\,J\,{T^{ - 1}}$ is aligned in the direction of magnetic field of 0.1 T. What is the net work done to bring the magnet normal to the magnetic field
	The magnetic moment of a magnet of length 10 cm and pole strength 4.0 Am will be
	The effective length of a magnet is 31.4 cm and its pole strength is 0.5 Am. The magnetic moment, if it is bent in the form of a semicircle will be
	The magnetic potential at a point on the axial line of a bar magnet of dipole moment M is V. What is the magnetic potential due to a bar magnet of dipole moment $\frac{M}{4}$ at the same point
	A small bar magnet has a magnetic moment $1.2 A-m^2$. The magnetic field at a distance 0.1 m on its axis will be : ($\mu _o = 4\pi \times 10^{-7} T-m/A$)