Multiple choice

Which of the following options are the qualities of earthing? (a) It must be able to dissipate currents repeatedly. (b) It must have a low corrosion resistance. (c) It should be an insulator. (d) It should be easy to maintain.

  1. Only (a) and (d)

  2. Only (a) and (b)

  3. Only (c) and (d)

  4. Only (d) and (b)
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A Correct answer
Explanation

It must be able to dissipate high currents repeatedly and should be easy to maintain.

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