Multiple choice

Why earthing is required in electrical wires of buildings?

  1. To protect the electrical circuit from any power surge.

  2. To protect the building from electrical shocks due to any leakage of current.

  3. To charge the building and protect the building from lightning.

  4. To keep the electrical wires in place.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To protect the building from electric shocks due to any leakage of current.

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