Electricity Quiz Review Question Preview (ID: 8356)


These Questions Will Help You Prepare For The Upcoming Electricity Quiz On Thursday. TEACHERS: click here for quick copy question ID numbers.

Which of the following is the best example of an electrical insulator?
a) metal
b) aluminum foil
c) tires
d) none of the above

Which best briefly summarizes the law of electric charges?
a) Charges that are opposite in nature attract; Charges that are the same in nature repel.
b) Charges always repel.
c) Charges always attract.
d) Charges that are opposite in nature repel; Charges that are the same in nature attract.

Calculate the electric power of a set of lights with 5 volts and 0.4 amps of current.
a) 12.5 Watts
b) 12.5 Volts
c) 2 Watts
d) 2 Volts

What is the main difference between parallel and series circuits?
a) In parallel circuits, charges follow one path; charges in series circuits follow multiple paths.
b) In series circuits, charges follow one path; charges in parallel circuits follow multiple paths.
c) In series circuits, charges follow two paths; charges in parallel circuits follow 3 paths.
d) None of the above.

Static electricity means electric charges at rest; an example of this is:
a) Clothes when they are removed from the washer.
b) None of the above
c) Clothes before they are put in the washer.
d) Clothes when they are removed from the dryer.

Lightning is a great example of electric discharge. This is because:
a) The release of electric charges built up during a storm result in lightning.
b) There are no built up electric charges. This results in frequent lightning.
c) There are no built up electric charges. This results in sporadic lightning.
d) Lightning is cool.

The main difference between alternating and direct current is:
a) Alternating current has current flow in one direction; direct current flows in multiple directions.
b) Alternating current has current flow in multiple directions; direct current flows in one direction.
c) Alternating current has more letters in it compared to direct current.
d) None of the above.

Cells such as batteries change chemical energy into electrical energy. Two cell types are:
a) Dry and Super Dry
b) Dry and Arid
c) Wet and Dry
d) Wet and Arid

Calculate the voltage of an object with 5 amperes of current and 15 ohms of resistance.
a) 3 volts
b) 15 volts
c) 75 volts
d) 10 volts

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) A game played on the PS3
d) None of the above.

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