Multiple choice

By which of the following ways does a magnet get demagnetised?

  1. By heating the magnet

  2. By throwing it from a height

  3. By hammering it violently

  4. All of the above

  5. A magnet never gets demagnetised

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A magnet gets demagnetised by all the ways mentioned above.