1. What Is The Transfer Of Electricity In A Motor? A. Chemical T…

1. What is the transfer of electricity in a motor? a. chemical to mechanical
b. electrical to mechanical
c. mechanical to electrical
d. physical to potential
2. What is the transfer of electricity in a generator?
a. chemical to mechanical
b. electrical to mechanical
c. mechanical to electrical
d. physical to potential
3. What can you use to make an electromagnet?
a. Battery, nail and string
b. Battery, pencil and wire
c. Wire, battery and iron ore (nail)
d. Peanut butter, lampshade, hand sanitizer 4. In large generators in power plants, rotate inside a coil of wire to produce an electric current.
a. Wind
b. Water
c. Magnets
d. Circuits
5. Which device uses mechanical energy to produce electrical energy?
a. Electric Motor
b. Magnet
c. Generator
d. Solar Cell
6. Electric fields are often associated with what other kind of field?
a. Magnetic Fields
b. Nuclear Fields
c. Particle Fields
d. Corn Fields
7. What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?
a. Electromagnet
b. Generator
c. Electron Magnet
d. Motor
8. What force does a magnetic field apply without actually touching the object?
a. a push or pull
b. gravity
c. friction
d. pressure
9. What two forces are required for generators and electric motors to work?
a. magnetism and thermal
b. electricity and thermal
c. electricity and magnetism
d. magnetism and radiant
10. What is the fan that turns the magnet inside a generator called?
a. electromagnet
b. turbine
C. solar panel
d. pinstock
11. What energy do you put IN to a generator?
a. Mechanical
b. Electrical
c. Thermal
d. Potential
12. What type of energy comes OUT of a generator?
a. Mechanical
b. Electrical
c. Thermal
d. Potential
13. What happens to the strength of an electromagnet as you add more coils around it?
a. Increases
b. Decreases
c. Stays the same
d. Stops completely
14. In an electric motor, the energy transformation begins as —-
a. electrical and becomes chemical
b. mechanical and becomes electrical
c. electrical and becomes mechanical
d. mechanical and becomes chemical
15. Which of the following is NOT part of an electromagnet?
a. Wire
b. Iron
c. Toothpick
d. Power source
16. When two magnets attract, they
a. push apart
b. change color
c. get colder
d. pull together
17. Surrounding every magnet is a
a. magnetic field
b. electrical current
c. another magnet
d. an enemy
18. If I were to try to connect the north pole of one magnet to the north pole of another magnet, the two poles would:
a. attract
b. repel
c. neither
d. flip​

Answer:

1. B

2. B

3. A

4. C

5. C

6. D

7. A

8. C

9. C

10. A

Explanation:

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