Magnetism and M...

The field due to a magnet at a distance R from the centre of the magnet is proportional to

Magnetic field intensity is defined as

At magnetic poles of earth, angle of dip is

The vertical component of earth's magnetic field is zero at or the earth's magnetic field always has a vertical component except at the

A ferromagnetic material is heated above its curie temperature. Which one is a correct statement?

Two like poles of strength $$m_{1}$$ and $$m_{2}$$ are far distance apart. The energy required to bring them $$r_{0}$$ distance apart is

The relative permeability of a material is $$0.9$$. The material is

Alnico is used for making permanent magnets because it has

Liquids and gases never exhibit

The hysteresis cycle curve for the material of a permanent magnet is :

The susceptibility of a diamagnetic substance is

The curie weiss law is obeyed by iron

Curie temperature is the temperature above which

Ferromagnetic materials have their properties due to

Domain formation is the necessary feature of