Discussion
A high voltage cable is graded, using layers of decreasing permittivity outward from the conductor, in order to
Answer: A
In a plain cable the field is greatest at the conductor surface and falls outward, so the outer material is under-used. Higher permittivity next to the conductor lowers the field there and raises it further out, allowing thinner insulation for the same working voltage.
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