Download Electricity Fundamentals Review

Name:___________________________________________________________________ Date:__________
Electricity Fundamentals Review
Mr. Barber
Please read each question completely. You will select the best possible answer from the choices given. You
are to indicate your answer by circling the corresponding letter. On questions which require you to fill in the
blank, please completely answer the question and be sure to write neatly.
Section I: Multiple Choice
1. The flow of electrons in a circuit is known as:
A. Current
B. Direction
C. Electricity
D. Electrons
2. Negatively charged particles of atoms are known as:
A. Atoms
B. Electrons
C. Neutrons
D. Protons
3. Positively charged particles of atoms are known as:
A. Atoms
B. Electrons
C. Neutrons
D. Protons
4. Particles of atoms that have no charge are known as:
A. Atoms
B. Electrons
C. Neutrons
D. Protons
5. A “closed loop” of wire or other conductors, through which electricity flows, is known as a:
A. Clip
B. Circuit
C. Course
D. Current
6. Which one of the following is found in a circuit?
A. Switch
B. Resistor
C. Electricity
D. All of the above
7. Elements that have a high resistance to electron flow are known as:
A. Conductors
B. Capacitors
C. Insulators
D. Inverters
8. Elements that have a low resistance to electron flow are known as:
A. Conductors
B. Capacitors
C. Insulators
D. Inverters
9. Which one of the following is NOT an insulator?
A. Copper
B. Plastic
C. Porcelain
D. Rubber
10. Which one of the following is NOT a conductor?
A. Copper
B. Gold
C. Rubber
D. Silver
11. The most common metal used to make electrical wire is:
A. Aluminum
B. Copper
C. Gold
D. Silver
12. The thin metal wire used in light bulbs to create light is known as the:
A. Conductor
B. Director
C. Filament
D. Wire
13. This mechanical device is used to control the flow of electricity in a circuit:
A. Capacitor
B. Resistor
C. Transformer
D. Switch
14. Which ONE of the following chemicals is found in a typical battery?
A. Acid
B. Acetate
C. Water
D. Hydrogen Peroxide
15. A series of electric cells connected together is known as a:
A. Unit
B. Collective
C. Battery
D. Device
16. Any device that increases electrical resistance in a circuit is known as a:
A. Fuse
B. Resistor
C. Capacitor
D. Switch
17. Which one of the following terms describes the direction of electron flow in a circuit?
A. Amperage
B. Current
C. Resistance
D. Voltage
18. Which type of current allows electron flow in only ONE direction?
A. Alternating Current
B. Continuous Current
C. Direct Current
D. Divided Current
19. Which type of current allows electron flow in BOTH directions?
A. Alternating Current
B. Continuous Current
C. Direct Current
D. Divided Current
19. The electrical circuit found in your home uses which type of current?
A. Alternating Current
B. Continuous Current
C. Direct Current
D. Divided Current
20. A device that can increase or decrease voltage in a circuit is known as a:
A. Breaker
B. Fuse
C. Transformer
D. Switch
21. A mechanical device that contains a magnet and a coil, and must be spun in order to create electricity is:
A. a Generator
B. a Transformer
C. a Turbine
D. a Windmill
22. A fan-like mechanical device that is spun by steam, wind or water, is:
A. a Generator
B. a Transformer
C. a Turbine
D. a Windmill
23. In which ONE of the following methods is a turbine NOT used?
A. Wind
B. Solar
C. Hydroelectric
D. Nuclear
Section II: Matching
24.________ Light Bulb
25.________ Single Cell
26.________ Electric Motor
27.________ 3 Cell Battery
28.________ Switch
29.________ Outlet
30.________ Resistor
Section III: Identification
31. Identify the type of electricity production shown here 
A. Geothermal
B. Hydroelectric
C. Nuclear
D. Tidal
32. Identify the type of electricity production shown here 
A. Geothermal
B. Hydroelectric
C. Nuclear
D. Tidal
33. Identify the type of electricity production shown here 
A. Geothermal
B. Hydroelectric
C. Nuclear
D. Tidal
34. Identify the type of electricity production shown here 
A. Geothermal
B. Hydroelectric
C. Nuclear
D. Tidal
34. Identify the type of electricity production shown below
A. Battery
B. Coal Combustion
C. Wind
D. Solar
36. Identify the type of electricity production shown here 
A. Battery
B. Coal Combustion
C. Wind
D. Solar
36. Identify the type of electricity production shown here 
A. Battery
B. Coal Combustion
C. Wind
D. Solar
36. Identify the type of electricity production shown here 
A. Battery
B. Coal Combustion
C. Wind
D. Solar
Section IV: Fill in the blank
37. List the 3 primary by-products produced when coal is burned.
38. After electricity is created at the power plant, it`s voltage is increased to approximately 500,000 volts using
a _______________________ transformer.
39. _______________________________ lines carry electricity from the power plant to sub stations.
40. _______________________________ lines carry electricity from the substation to the consumer.
41. A ________________ measures the amount of electricity each home or business uses each month.
42. Electricity companies charge consumers based on the number of ____________________________ of
electricity they used on a given billing cycle.
43. A ______________________ is used to measure the amount of voltage found in a given circuit.
44. In a series circuit, in order to determine the total voltage, you must _____________ the voltages together.
45. Modern circuit wiring is done in ____________________________ , so that in case one light goes out, the
others will remain lit.
Section V: Circuit Diagramming
For the following, diagram each given circuit scenario. Be sure to use the proper symbols for each item.
46. 2 – 1.5V Single Cell Batteries wired in series, powering a single light bulb.
47. 1- 9V (3-cell) battery powering 2 light bulbs in parallel, with a switch controlling both lights.
48. 2 – 1.5V(Single Cell) batteries in series powering 3 light bulbs in series, with a switch controlling all 3 lights.
49. 1 – 9V(3-cell) battery powering an electric motor, with a switch controlling the motor.
50. 1-12v (6-cell) battery powering 2 light bulbs, with a switch controlling each bulb individually.
51. 2 – 1.5V(Single Cell) batteries in parallel powering 3 outlets, with a switch controlling each outlet.
52. 1 – 6V(3-cell) battery powering 2 light bulbs and 2 electric motors, each bulb is wired in parallel with a
switch controlling each bulb, and the motors are wired in series, with a switch controlling them.
53. 1 – 1.5V(Single Cell) battery powering a light bulb, with a 2 switches controlling the bulb, one on the
positive side of the circuit, and one on the negative side of the circuit
Go on to Next Page
Section VI: Write-Out
For questions 54 – 60, you will identify each stage of the coal-burning method of producing electricity. You will
also give a brief explanation of what occurs at each stage. Please write neatly.
54. _____________________________ - ______________________________________________________
55. _____________________________ - ______________________________________________________
56. _____________________________ - ______________________________________________________
57. _____________________________ - ______________________________________________________
58. _____________________________ - ______________________________________________________
59. _____________________________ - ______________________________________________________
60. _____________________________ - ______________________________________________________
End of Exam