Discussion
Under load, the flux density under one edge of a main pole is increased and under the other decreased. The net flux per pole
Answer: D
Equal ampere-turns are added at one tip and subtracted at the other, but the added ones act on iron already near saturation and produce less flux than the removed ones took away. That is the origin of the demagnetising effect in a machine with no brush shift.
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