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- Subject
- Cableselectrical-engineering-mcqs › cables
- Published
- 12 Dec 2018
- Last updated
- 28 May 2026
Explanation
In underground cables, the electrostatic stress reaches its peak at the conductor surface and is at its minimum near the sheath. This distribution is due to the electric field intensity being strongest close to the conductor and diminishing towards the sheath.
More Cables MCQs
Practice related questions from the same subject.
- 1.Where does the highest voltage stress occur within a cable?
- 2.How does the insulation of a cable change when the length of the insulation is increased?
- 3.For a cable intended to operate at 1000 kV, which type of insulation is most suitable?
- 4.What is a key benefit of using cables instead of overhead transmission lines?
- 5.What does capacitance grading in cables refer to?
- 6.Which types of losses occur in a cable conducting alternating current?
- 7.Why are underground cables installed at a considerable depth?
- 8.What is the typical thickness of metal shielding used on cables?
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