Q.The breakdown of insulation of a cable can be avoided economically by using 

  • AInsulation layers of different dielectrics
  • BInter-sheaths
  • CEither (a) or(b)
  • DNone of the above 
Correct Answer : (C)

Either (a) or(b)

Hints :

The breakdown of insulation of a cable can be avoided economically by using Insulation layers of different dielectrics and Inter-sheaths.

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