Describe the domain theory of magnetism

Describe the domain theory of magnetism.

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Domain theory of magnetism.
In ferromagnetic substances small atomic magnets form large groups called domains. These
atomic magnets face one direction where the direction varies from one domain to another. In
an un-magnetized crystal the directions of these domains are different hence their resultant magnetism is zero.


When a magnetic material is placed in a magnetic field the atomic magnets rotate and
eventually all domains face the same direction. When this happens then the material becomes
magnetized. When a material is magnetized we say it is saturated. This means that the
magnetism of the material cannot be increased by any other method and this is the domain
theory of magnetism.

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Mutiso answered the question on October 11, 2018 at 18:09

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