Multiple choice

Which one of the following magnet is not an artificial magnet?

  1. Bar magnet

  2. Lodestone

  3. Ball ended magnet

  4. Horse shoe magnet

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

Lodestone is a naturally magnetized form of the mineral magnetite. It was the first magnetic material discovered and used in compasses. All other options - bar magnets, ball-ended magnets, and horseshoe magnets - are artificially manufactured magnets.