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WorksheetsElectrical Currents
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
2.
What is the function of the light bulb in a circuit?
a)
It increases the strength of the electricity.
b)
It changes electricity to light energy.
c)
It provides electricity to the battery.
d)
It opens and closes the circuit.
3.
What are three things all circuits must have?
a)
Switch, conductor, light bulb
b)
Switch, conductor, power source
c)
Power source, conductor, load (light bulb)
d)
Conductor, resistor, switch
4.
What is the energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
5.
What is it called when a circuit is complete?
a)
Closed circuit
b)
Light bulb circuit
c)
Open circuit
d)
Series circuit
6.
Any material that does not allow electrical energy to pass through (ex. plastic, glass, paper, cardboard)
a)
conductor
b)
device
c)
insulator
d)
Circuit
7.
Allows electrical current to flow through an electric circuit (ex. copper wire).
a)
insulator
b)
conductor
c)
resistor (device)
d)
Closed
8.
An electric current flows _____ unless it is disrupted in some way
a)
continuously
b)
in spurts
c)
unevenly
d)
drop by drop
9.
The flow of electrical power or charge is
a)
static electricity
b)
electricity
c)
electric circuit
d)
electromagnet
10.
Used to open and close an electric circuit
a)
resistor (device)
b)
switch
c)
source
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