The source of heat generation in cables  is

  • ACopper loss in conductor
  • BDielectric losses in cable insulation 
  • CLosses in metallic sheathings and armourings
  • DAll of the above 
Correct Answer : (D)

All of the above 

Hints :

The source of heat generation in cables  is Copper loss in conductor, Dielectric losses in cable insulation  and Losses in metallic sheathings and armourings.


Transmission line connects 


A 3-phase 4-wire system is commonly used for

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