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  4. The ratio of intensity of magnetisation and magnetising field is called

Q. The ratio of intensity of magnetisation and magnetising field is called

 2324  243 Magnetism and Matter Report Error

Solution:

Magnetic susceptibility, quantitative measure of the extent to which a material may be magnetized in relation to a given applied magnetic field. The magnetic susceptibility of a material, commonly symbolized by , is equal to the ratio of the magnetization Mwithin the material to the applied magnetic field strength , or
=
This ratio, strictly speaking, is the volume susceptibility, because magnetization essentially involves a certain measure of magnetism (dipole moment) per unit volume.