Earthing screen provides protection to which system against lightning strikes and which manner

Earthing screen provides protection to ___________ against _________ lightning strikes:

  1. Power lines, direct
  2. Powerlines, indirect
  3. Power stations, direct
  4. Power stations, indirect

Correct answer: 3. Power stations, direct

Explanation: Earth screen refers to the GI net that is installed over the power stations and substations. Its purpose is to provide protection to power stations against direct lightning strokes.

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