WorksheetsElectromagnets
Total questions: 10
Worksheet time: 9mins
What type of magnet that can turned on and off?
electromagnet
permanent magnet
electricity
battery
Magnets on refrigerator cannot be turned off. Which type of magnets they belong?
electromagnets
battery
permanent magnets
copper wire
What are the components of the electromagnets?
battery, wire and bulb
battery , copper wire and paper clips
battery, copper wire and iron nail
battery, wire and aluminum
How can we control an electromagnet?
By turning the electricity on and off.
By turning the kinetic energy on and off.
What is the role of the battery in the electromagnet?
It provides light energy for the electromagnet.
It provides magnetic field for the electromagnet.
It provides sound energy for the electromagnet.
It provides the power source for the electromagnet.
