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WorksheetsElectricity Review
Total questions: 15
Worksheet time: 18mins
What are the two main types of elctricity?
Static Electricity
Current Electricity
Wind Electricity
Cold Electricity
Hot Electricity
When a balloon is rubbed against hair, electrons are moved from the hair to the surface of the balloon.
What charge does the balloon now have?
positive
neutral
negative
full
What do we call is a substance or material that allows electricity to flow through it?
Conductor
Insulator
Resistor
Load
What can you infer about this source of electricity?
a. It is a source of alternating current
b. It is a source of direct current
c. It is a source of static electricity
d. It is a source of electromagnetic radiation
What is the unit of Electrical Power?
Joule
Watt
Where
Amp
What is electric current?
The resistance of a material to the flow of electricity
A measure of how much electric charge flows through a conductor in a given time
The potential difference across two points in a circuit
The capacity of a battery to store charge
What happens to the current in a series circuit if more resistance/resistors are added?
It increases the flow
It decreases the flow
It remains the same
It becomes zero
Which of the following is NOT a good conductor of electricity?
Copper
Aluminum
Rubber
Gold
The unit for electric current
watt
ohm
volt
ampere
Electric current is the flow of which of the following through a wire?
Electrons
Protons
Neutrons
Protons and Electrons
What do fuel cells, batteries, and solar cells have in common?
a. They all produce static electricity
b. They are all sources of direct current
c. They are all sources of alternating current
d. They can all be used to power automobiles
What are the two main types of current electricity?
Alternating Current
Direct Current
Negative Current
Positive Current
What is the typical Voltage of an American home?
120 V AC
240 V AC
12 V DC
24 V AC
