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: Why is diamagnetism, in contrast, almost independent of temperature?

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?

Answer the following questions: Why does the reverse current show a sudden increase at the critical voltage?

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 question: Long distance radio broadcasts use short-wave bands. Why?

Why does paramagnetic substance move from weaker to stronger parts of non-uniform magnetic field?

Answer the following questions: A certain region of space is to be shielded from magnetic fields. Suggest a method.