Answer the following questions: Would the maximum possible magnetisation of a paramagnetic sample be of the same order of magnitude as the magnetisation of a ferromagnet?

Does the magnetisation of a paramagnetic salt dependon temperature ? Give reason for your answer.

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

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

Answer the following questions: Is the permeability of a ferromagnetic material independent of the magnetic field? If not, is it more for lower or higher fields?

Answer the following questions: What kind of ferromagnetic material is used for coating magnetic tapes in a cassette player, or for building ‘memory stores’ in a modern computer?

Answer the following question: If the earth did not have an atmosphere, would its average surface temperature be higher or lower than what it is now?

Answer the following questions regarding earth’s magnetism: f you made a map of magnetic field lines at Melbourne In Australia, would the lines seem to go Into the ground or come out of the ground?

Answer the following questions: Explain qualitatively on the basis of domain picture the irreversibility in the magnetisation curve of a ferromagnet.