Q.Metallic shielding is provided on underground cable to 

  • AReduce thermal resistance 
  • BReduce corona effect
  • CControl the electrostatic voltage stress 
  • DAll of the above 
Correct Answer : (D)

All of the above 

Hints :

Metallic shielding is provided on underground cable to Reduce thermal resistance, Reduce corona effect and Control the electrostatic voltage stress.

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