Q.

Solid type cables are considered unreliable beyond 66 kV because

A. insulation may melt due to higher temperature
B. skin effect dominates on the conduc¬tor
C. of corona loss between conductor and sheath material
D. there is a danger of breakdown of insulation due to the presence of voids
Answer» D. there is a danger of breakdown of insulation due to the presence of voids
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