Have an account?
Skip to Content
Build your own quiz
13 questions
Show Answers
See Preview
- 1. Multiple Choice
Which pole of the electromagnet is attracted to the north pole of the permanent magnet?
South Pole
North Pole
- 2. Match
Match the following:
an object that is magnetic
Magnet
an object that is impacted by magnets but is not a magnet
Permanent Magnet
when something can exert magnetic forces
Magnetic Pole
an object that stays magnetic
Magnetic Materials
north or south end of a magnetic where the field is strongest
Magnetic
- 3. Multiple Choice
How could you investigate the strength of an electromagnet?
See how many plastic beads it can hold
See how many steel paper clips it can hold
See how many copper nails it can hold
See how many brass tacks it can hold
- 4. Multiple ChoiceHow can the strength of an electromagnet be increased?by rubbing it with a stronger magnetby increasing the coils of wire around the ironby increasing the length of the wire from the batteryby loosening the coil of wire around the iron
- 5. Multiple Choice
A single wire carrying electric current that is wrapped into a cylinder-shaped coil is called a ____________.
current
solenoid
permanent magnet
battery
- 6. Multiple Choice
Electric current passing though a wire produces ________.
a magnetic field around the wire
a permanent magnet
geographic poles
a compass
- 7. Multiple Choice
Which of the following best describes an electromagnet?
permanent magnet
insensitive to electric currents
unchanging magnetic properties
temporary magnet
- 8. Multiple Choice
What effect does increasing the current in the wire have on an electromagnet?
It decreases the strength of the magnetic field.
It increases the strength of the magnetic field.
It has no effect on the electromagnet.
It causes it to become a permanent magnet.
- 9. Multiple Choice
Which of the following changes electrical energy into mechanical energy?
generator
electric motor
transformer
superconductor
- 10. Multiple Choice
In order for the electromagnetic coil in the motor to keep turning, the current must ________.
continue in one direction
periodically increase in strength
change direction
be through an ammeter
- 11. Multiple ChoiceThe picture is an example of an:Electric circuitElectromagnetElectric nailElectric power cell
- 12. Multiple Choice
What two forces are required for generators and electric motors to work?
magnetism and thermal
electricity and thermal
electricity and magnetism
magnetism and radiant
- 13. Multiple ChoiceWhat device uses an electromagnet?speakers in headphonesa light bulbscissorsa phone charger
- Answer choicesTagsAnswer choicesTags