SUMMATIVE TEST

What is the main function of an electric motor?

• To produce light

• ·         To convert electrical energy into movement

• ·         To store energy

• To create sound

Which part of a DC motor reverses the direction of current?

• Brushes

• Stator

• Commutator

• Shaft

What kind of motor is used in electric fans and washing machines?

• DC MOTOR

• AC MOTOR

• UNIVERSAL MOTOR

• STEPPER MOTOR

The motor in a cellphone that makes it vibrate is called _______

• Magnetic motor

• Sound Motor

• Vibration Motor

• Heat Motor

The armature is the part of the motor that spins

• TRUE

• FALSE

The stator moves while the armature stays still.

• TRUE

• FALSE

A universal motor can work on both AC and DC electricity.

• TRUE

• FALSE

It is the part of the motor that stays still and produces a magnetic field

(a)  

The small motor inside a cellphone that makes it vibrate uses this type of current.

(a)  

The metal rod that transfers the spinning motion to a machine part

(a)