Question

A ferromagnetic material is heated above its curie temperature. Which one of the following is the correct statement?

• A. Ferromagnetic domains are perfectly arranged
• B. Ferromagnetic domains become random
• C. Ferromagnetic domains are not influenced
• D. Ferromagnetic material changes into diamagnetic material

Answer 1

Answer: (B)

Beyond curie temperature, ferromagnetic material turns into paramagnetic material, as if ferromagnetic domains become random.