Discussion
The coercivity of a material is the reverse field needed to
Answer: B
It is the intercept of the loop on the field axis, and it measures how firmly the material holds its magnetisation. A permanent magnet needs a coercivity of hundreds of kiloamperes per metre; a transformer core needs it as small as possible.
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