A short chain is usually attached to the back of a petrol tanker and trailing behind it so that the
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Correct Answer: Option C
Explanation:
Big vehicles gets charged because of friction between them and the air rushing past them.This is the reason tankers often have a metal chain dragging along the ground so that charge produced leaks to the ground through chain.
Big vehicles gets charged because of friction between them and the air rushing past them.This is the reason tankers often have a metal chain dragging along the ground so that charge produced leaks to the ground through chain.