Drawbacks of solid type of conductor

Q.  Why solid type of conductors is not preferred for the voltages exceeding 66 kV?
- Published on 18 Dec 15

a. A danger of breakdown of insulation
b. Skin effect dominates the conductor
c. There is corona loss between conductor and sheath material
d. Insulation melts due to overheating

ANSWER: A danger of breakdown of insulation

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