Electricity & Magnetism Review
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- Question 1 of 20
1. Question
Electromagnetic force is…
CorrectIncorrect - Question 2 of 20
2. Question
This picture shows a turbine generator used to produce electricity at a geothermal power plant.
Electricity is produced by using steam to _____________.CorrectIncorrect - Question 3 of 20
3. Question
Who discovered the electromagnet?
CorrectIncorrect - Question 4 of 20
4. Question
When chemical potential energy is stored in a battery, the positive end of the battery is connected to a wire. The wire loops numerous times around an iron nail. the wire returns to the negative end of the battery. What happens to the nail?
CorrectIncorrect - Question 5 of 20
5. Question
Both parts of electromagnetic force are caused by what kind of charges?
CorrectIncorrect - Question 6 of 20
6. Question
Which of the following will induce Electromagnetic Force in a loop of wire?
CorrectIncorrect - Question 7 of 20
7. Question
How can the strength of an electromagnet be increased? Select all that applies
CorrectIncorrect - Question 8 of 20
8. Question
How can a current be induced in a closed circuit without the use of a battery or electrical power?
CorrectIncorrect - Question 9 of 20
9. Question
How many poles are there on an electromagnet?
CorrectIncorrect - Question 10 of 20
10. Question
Match the correct terms.
Sort elements
- A coil of current-carrying wire that produces a magnetic field.
- A type of magnet in which the magnetic field is produced by an electric current.
- devices the convert electrical energy into kinetic/mechanical energy
- Solenoid
- Electromagnet
- Electromagnet devices
CorrectIncorrect - Question 11 of 20
11. Question
Select ALL of the following that would increase the strength of an electromagnet.
CorrectIncorrect - Question 12 of 20
12. Question
How are electromagnets different from magnets?
CorrectIncorrect - Question 13 of 20
13. Question
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.
CorrectIncorrect - Question 14 of 20
14. Question
What happens when a wire is wound into a coil around an iron core in an electromagnet?
CorrectIncorrect - Question 15 of 20
15. Question
While electric current is flowing through a wire, what surrounds the wire?
CorrectIncorrect - Question 16 of 20
16. Question
In order to make an electromagnet, you need a
CorrectIncorrect - Question 17 of 20
17. Question
Which of these statements is correct?
CorrectIncorrect - Question 18 of 20
18. Question
What two forces are required for generators and electric motors to work?
CorrectIncorrect - Question 19 of 20
19. Question
What is the transfer of electricity in a generator?
CorrectIncorrect - Question 20 of 20
20. Question
What is the transfer of electricity in a motor?
CorrectIncorrect
