Multiple choice

Which of the following objects cannot be charged by rubbing while being held in a hand?

  1. Inflated rubber balloon

  2. Plastic comb

  3. Plastic scale

  4. Copper rod

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. A copper rod cannot be charged by rubbing while being held in the hand because as soon as the copper rod gets charged by rubbing with another material, the electric charge produced on its surface flows through our hand and body into the Earth.

Keep practicing — related questions