Multiple choice

Which of the following represents a group of atoms that have their own magnetic poles pointing in the same direction?

  1. Electric current

  2. Electromagnet

  3. Magnetic domain

  4. Voltage

  5. None of these

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

A single magnetic domain may contain trillions of atoms, but it is still too small to be seen with our naked eyes.