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Worksheetsbatteries and bulbs in series
Total questions: 20
Worksheet time: 26mins
Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
2.
Which best describes a series circuit?
a)
It has two light bulbs.
b)
The same current flows through both light bulbs.
c)
It uses a single battery.
d)
The current is divided between the light bulbs.
3.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
4.
In a Series circuit the more lightbulbs you add the brighter they get
a)
False
b)
True
5.
Silver is a _____?
a)
insulator
b)
conductor
6.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
7.
Current is referred to as:
a)
flow of electricity
b)
circuits
c)
flow of electrons
d)
batteries
8.
Which light will be brighter and why?
a)
Bulb A because its circuit is closed
b)
Bulb B because its circuit is closed
c)
Bulb B because it has more volts
d)
Bulb A because it has less volts
9.
water is a______?
a)
conductor
b)
insulator
10.
wood is a _____?
a)
conductor
b)
insulator
11.
A material that lets electricity pass through it is called ...
a)
an electrical conductor
b)
an electrical insulator
c)
an electrical appliance
12.
A material that does NOT let electricity pass through it is called ...
a)
an electrical conductor
b)
an electrical insulator
c)
an electrical appliance
13.
Which of the following materials is an electrical conductor?
a)
silver
b)
silver-colored plastic
c)
cork
d)
rubber
14.
Which of the following materials is an electrical insulator?
a)
aluminum
b)
gold
c)
rubber
d)
steel
15.
In which circuit will the bulb or bulbs glow brightest?
a)
A simple circuit with one bulb and one battery
b)
A simple circuit with one bulb and two batteries
c)
A simple circuit with two bulbs and one battery
16.
Why is electrical wiring usually made from copper?
a)
Because copper is shiny
b)
Because copper conducts electricity
c)
Because copper is not magnetic
17.
Why is electrical wiring usually covered with a layer of plastic?
a)
To help electricity flow along the wire
b)
To make it look pretty
c)
To make it safe
18.
Copper
a)
Insulator
b)
Conductor
19.
Plastic
a)
Insulator
b)
Conductor
20.
Glass
a)
Insulator
b)
Conductor
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