Question

derievation of ferrow magnetism in case of domain theory​

Answer 1

Explanation:

Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets. In physics, several different types of magnetism are distinguished. Ferromagnetism (along with the similar effect ferrimagnetism) is the strongest type and is responsible for the common phenomenon of magnetism in magnets encountered in everyday life.[1] Substances respond weakly to magnetic fields with three other types of magnetism—paramagnetism, diamagnetism, and antiferromagnetism—but the forces are usually so weak that they can be detected only by sensitive instruments in a laboratory. An everyday example of ferromagnetism is a refrigerator magnet used to hold notes on a refrigerator door. The attraction between a magnet and ferromagnetic material is "the quality of magnetism first apparent to the ancient world, and to us today".[2]

Answer 2

Explanation:

The domain theory states that inside a magnet there are small regions in which the magnetic direction of all the atoms are aligned in the same directions. ... Within a domain, the aligment of the magnetic direction is the same. In the next domain it may be in a completely different direction.

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