Q 12-05-055JEE MainJEE Main 2021 (24 Feb, Shift 2)Easy
A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains:
Answer: (D) may increase or decrease in size and change its orientation.
In an external field, domains aligned with the field grow while others shrink, and domains also rotate towards the field direction. So a domain may increase or decrease in size and change its orientation.
Solution by Sreeraj P, M.Sc Physics