Question 1:

Who is credited with the invention of the electric motor?

Explanation: The invention of the electric motor is credited to Michael Faraday.

Question 2:

Which principle is the electric motor based on?

Explanation: The electric motor is based on the principle of electromagnetic induction.

Question 3:

Which of the following best describes an electric motor?

Explanation: An electric motor is a device that converts electrical energy into mechanical energy.

Question 4:

Which component of an electric motor rotates?

Explanation: The rotor is the component of an electric motor that rotates.

Question 5:

What is the purpose of brushes in an electric motor?

Explanation: The brushes in an electric motor are used to transfer electrical current to the rotating rotor.