Question

explain ferromagnetism with suitable example...​

Answer 1

Explanation:

Some examples of ferromagnetic substances are iron, cobalt, nickel, gadolinium, and CrO2. In solid state, the metal ions of ferromagnetic substances are grouped together into small regions called domains and each domain acts as a tiny magnet.

Answer 2

⭐ $\sf\underline\red{ Ferromagnetism }$ :- These substances show permanent magnetism even after the removal of applied magnetic field. Once these materials are magnetised, they retain their magnetism.

• Ex :- Ni , Cr${O}_{2}$ , Fe , Co