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Electricity Quiz Review
Test Description: These questions will help you prepare for the upcoming electricity quiz on Thursday
Instructions: Answer all questions to get your test result.
1) Which of the following is the best example of an electrical insulator?
A
metal
B
none of the above
C
tires
D
aluminum foil
2) Which best briefly summarizes the law of electric charges?
A
Charges that are opposite in nature repel; Charges that are the same in nature attract.
B
Charges always attract.
C
Charges that are opposite in nature attract; Charges that are the same in nature repel.
D
Charges always repel.
3) Calculate the electric power of a set of lights with 5 volts and 0.4 amps of current.
A
2 Volts
B
12.5 Volts
C
12.5 Watts
D
2 Watts
4) What is the main difference between parallel and series circuits?
A
In series circuits, charges follow one path; charges in parallel circuits follow multiple paths.
B
In series circuits, charges follow two paths; charges in parallel circuits follow 3 paths.
C
None of the above.
D
In parallel circuits, charges follow one path; charges in series circuits follow multiple paths.
5) Static electricity means electric charges at rest; an example of this is:
A
Clothes before they are put in the washer.
B
None of the above
C
Clothes when they are removed from the washer.
D
Clothes when they are removed from the dryer.
6) Lightning is a great example of electric discharge. This is because:
A
There are no built up electric charges. This results in frequent lightning.
B
The release of electric charges built up during a storm result in lightning.
C
Lightning is cool.
D
There are no built up electric charges. This results in sporadic lightning.
7) The main difference between alternating and direct current is:
A
None of the above.
B
Alternating current has more letters in it compared to direct current.
C
Alternating current has current flow in multiple directions; direct current flows in one direction.
D
Alternating current has current flow in one direction; direct current flows in multiple directions.
8) Cells such as batteries change chemical energy into electrical energy. Two cell types are:
A
Wet and Arid
B
Wet and Dry
C
Dry and Arid
D
Dry and Super Dry
9) Calculate the voltage of an object with 5 amperes of current and 15 ohms of resistance.
A
15 volts
B
75 volts
C
10 volts
D
3 volts
10) What is resistance?
A
How much electricity flows through a given point.
B
How much electricity is prevented from flowing through a given point.
C
None of the above.
D
A game played on the PS3
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