Lightning arresters are generally made up of which material

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Electrical Engineering XYZ MCQs

Lightning arresters are generally made up of which material:

  1. Silicon oxide
  2. Silver
  3. Copper
  4. Any of the above

Correct answer: 1. Silicon oxide

Explanation: Silicon oxide is commonly used as a component in the manufacturing of surge arresters. Metal oxide varistors (MOVs), which are the most common type of lightning arresters, consist of a ceramic material typically made of zinc oxide (ZnO) with small amounts of other metal oxides like silicon oxide. These metal oxide varistors are highly effective in dissipating high levels of voltage surges.

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