Physics- Magnetism and Matter Set 2

Angle of dip is 90 Degree at

If Mis magnetic moment and B is magnetic field intensity, then the torque is given by

Curie law xT = constant, relating magnetic susceptibility (x) and absolute temperature (T) of magnetic substance is obeyed by

Curie temperature is the temperature above which

The material suitable for making electromagnets should have

A magnetic needle is kept in a non-uniform magnetic field. It experiences

Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator

Essential difference between electrostatic shielding by a conducting shell and magne-tostatic shielding is due to