Multiple choice

What is the role of commutator rings in an electric motor?

  1. To increase the strength of current flowing

  2. To reverse the direction of current flowing

  3. To increase the strength of magnetic field

  4. To decrease the strength of current flowing

  5. -

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

This is the correct answer. The function of a commutator ring is to reverse the direction of current flowing.