Magnetism and M...

The potential energy of a bar magnet of magnetic moment $$M$$ placed in a magnetic field of magnitude $$B$$ such that it makes an angle $$\theta$$ with the direction of $$B$$ is:

The primary origin of magnetism lies in the

If $$B_E$$ represents equatorial magnetic field and $$B_A$$ represents axial magnetic field due to a bar magnet. Which of the following relationships between $$B_E$$ and $$B_A$$ is correct?

If you made a map of magnetic field lines at Melbourne in Australia, then the magnetic field lines seem to be

Mark the correct set of ferromagnetic substances,

Which of the following property shows the property of ferromagnetic substances?

The equatorial magnetic field of earth is $$0.4$$G. Then its dipole moment on equator is

The strength of the earth's magnetic field is

The earth's field departs from its dipole shape substantially at large distance (greater than about $$3000$$ km). The responsible factor for this distortion is then

Which of the following is universal magnetic property.?