Moderate
The corona is considerably affected by which of the following _______________?
Correct answer: D. All of the above
- A. Size of the conductor
- B. Shape of the conductor
- C. Surface condition of the conductor
- D. All of the above
Explanation
Corona depends on conductor size, conductor shape, and surface condition because these factors affect the electric-field intensity at the conductor surface. Rough or irregular surfaces intensify the field and make corona more likely.
Last updated
Practise Power Systems
334 free Power Systems MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.