Why does a paramagnetic sample display greater magnetisation ( for the same magnetising field ) when cooled ?

Define magnetisation of a sample.

Mention the SI unit of magnetising field.

Susceptibility of a magnetic substance is found to depend on temperature and the strength of the magnetising field. The material is a

Give the expression for total magnetic flux associated with the magnetic material subjected to the magnetising field.

Would the maximum possible magnetisation of a paramagnetic substance be of the same order of magnitude as the magnetisation of a ferromagnet ?

The variation of the intensity of magnetisation (I) with respect to the magnetising field (H) in a diamagnetic substance is described by the graph