Q.

Switching over-voltages are more hazardous than lightning surges in case of 

  • ALow voltage system
  • B33 kV system 
  • CEHV and UHV systems
  • DAll of these 
Correct Answer : (C)

EHV and UHV systems

Hints :

Switching over-voltages are more hazardous than lightning surges in case of EHV and UHV systems.

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