Multiple choice

Why some building are provided with lighting conductors?

  1. To protect building from lighting strikes

  2. To protect building from earthquake strikes

  3. To make the base of body solid

  4. Either (2) or (3)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Some building are provided with lighting conductors to protect them form damage from lighting strikes. A lighting conductor consists of a set of metal spikes fitted at the top of a building  and connected by a metal strip to a copper plate buried in the earth. When negative charges are build up in a cloud, positive charges from earth travel through the lighting conductor and air to meet the charges in the cloud and neutralize them.

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