Q.Overhead ground wires are used to protect a transmission line against 

  • ALine-to-ground faults
  • BArcing earths 
  • CVoltage surges due to direct lightning stroke
  • DHigh voltage oscillations due to switching  
Correct Answer : (C)

Voltage surges due to direct lightning stroke

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Overhead ground wires are used to protect a transmission line against Voltage surges due to direct lightning stroke.

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