Which of the following statements regarding corona are true? 1. It causes radio interference 2. It attenuates lightning surges 3. It amplifies switching surges 4. It causes power loss 5. It is more prevalent in the middle conductor of a transmission line employing a flat conductor configuration.

1, 2, 4 and 5 Explanation: Answer: Option (c)

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ElectricalPower System

Which of the following statements regarding corona are true?

It causes radio interference
It attenuates lightning surges
It amplifies switching surges
It causes power loss
It is more prevalent in the middle conductor of a transmission line employing a flat conductor configuration.

1, 3 and 5

2, 3 and 4

1, 2, 4 and 5

2, 3, 4 and 5

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