Discussion
A ferromagnetic material differs from a paramagnetic one chiefly in that its atomic moments
Answer: C
The exchange interaction aligns neighbouring moments over regions containing many millions of atoms, so a small applied field produces a very large magnetisation. Above the Curie temperature that coupling is overcome by thermal agitation and the material becomes paramagnetic.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development