Answer the following question given this paragraph: 

An electric motor is a device that uses an electromagnet to change electrical energy to kinetic energy. When current flows through the motor, the electromagnet rotates, causing a shaft to rotate as well. The rotating shaft moves other parts of the device.


Q: What device uses an electromagnet to change electrical energy to kinetic energy?

 Choices:

- public motor

- melodic motor

- Magnetic motor.

- electric motor

A:
electric motor
