WorksheetsElectromagnetism
Total questions: 10
Worksheet time: 14mins
Which of the following defines magnetism?
Magnetism is a contact force.
Magnetism is a force created by magnets.
Magnetism is an invisible force that attracts electrically charged particles.
Magnetism is energy created by magnets.
Which of the following principles explains how an electric motor works?
Magnetic force
Magnetism
Electrolysis
Electromagnetism
Which of the following is a device that converts electrical energy into mechanical energy?
Vacuum cleaner
Bicycle
Weighing scale
All of the choices
Which two forces are required to operate with generators and electric motors?
Electric and magnetic
Electric and thermal
Magnetic and Radiant
Magnetic and thermal
Which of these kitchen appliances does NOT have an electric motor?
Water filter
Refrigerator
Food proccessor
All of the above
An electric motor is a machine which converts Electrical Energy into what form of energy?
(a)
The (a) supplies the electric current into the coil and it gets converted into motion.
What do you think is the role of electric motor in the materials/appliances?
What are the similarities and differences between electric motor and generator?
How does electric motor and generator work?
