WorksheetsSimple Electric Motor and Electric Generator
Total questions: 10
Worksheet time: 5mins
Which of the following principles explains how an electric motor works?
Magnetic force
Magnetism
Electrolysis
Electromagnetism
Which is NOT a distinguishing feature of an electric generator?
An electric generator converts mechanical energy into electrical.
An electric generator converts electrical energy into mechanical energy.
It generates electricity
It is based on the principle of electromagnetic induction.
What do we call a device that converts electricity into mechanical movement?
electric charge
electric motor
electric current
electric plasma
What do you call a device that converts mechanical movement into electricity?
electric field
electric motor
electric generator
electric plasma
What two forces are required for generators and electric motors to work?
magnetic and thermal
magnetic and radiant
electric and thermal
electric and magnetic
What would happen to the coiled wire in an electric motor model if there are repulsion and attraction of the magnetic poles?
The coil fluctuates and converts electrical energy into chemical energy.
The coil stops and changes mechanical energy into electrical energy.
The coil rotates and changes electrical energy into mechanical energy.
The coil remains unstable.
What do you call a device that produces an electric current when a coil of wire is wrapped around an iron core and rotated near a magnet?
magnet
car
generator
motor
He was credited for his discovery of electromagnetic induction.
Thomas Edison
Benjamin Franklin
Nikola Tesla
Michael Faraday
What are the three basic parts of an electric motor?
commutator, stator, and rotor
armature, brushes, and battery
commutator, armature, and brushes
battery, armature, and DC power supply
Which of the following is the CORRECT description of the operation of an electric motor?
The electric motor uses electricity.
The operation is based on the principle of electromagnetism.
The motor converts electric energy into mechanical energy.
All of the above.
