Multiple choice

For safe storage, which of the following should not be kept between two bar magnets?

  1. A piece of iron

  2. A piece of wood

  3. A thick cardboard sheet

  4. A piece of thermocol

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

For safe storage, a piece of iron should not be kept between two bar magnets. The rest of the items can be kept.