WorksheetsElectricity review
Total questions: 70
Worksheet time: 2hrs 10mins
Name
Class
Date
1.
What type of circuit is shown?
a)
Parallel
b)
Series
c)
Open
2.
The current is the same all around a series circuit.
a)
True
b)
False
3.
How could you make the light bulb brighter in this circuit?
a)
Add another bulb
b)
Open the switch
c)
Add another battery in series
d)
Add another battery in parallel
4.
Choose all materials you could put in the open space to make the circuit work?
a)
Water
b)
Plastic
c)
Copper
d)
Rubber
5.
If each battery has a voltage of 2.0V then what is the total voltage in this circuit?
a)
2.0V
b)
1.0V
c)
6.0V
6.
Roshen made this model. In her model the bulb is not lit.
Which of these statements best explains why the bulb is not lit?
Which of these statements best explains why the bulb is not lit?
a)
The wires are connected to the wrong battery terminals.
b)
The bulb is burned out.
c)
The switch is open.
d)
A wire is missing.
7.
Eileen tried each of these setups to make a working circuit.
In which setup would the bulb light?
In which setup would the bulb light?
a)
Setup A
b)
Setup B
c)
Setup C
d)
Setup D
8.
These three light bulbs are powered by the battery.
What will happen if the middle light burns out?
What will happen if the middle light burns out?
a)
The two other bulbs will go out.
b)
The two other bulbs will stay on.
c)
Just the bulb closest to the battery will stay on.
d)
Just the bulb farthest from the battery will stay on.
9.
Tisha turned on a switch.
What does turning a switch on do?
What does turning a switch on do?
a)
open a circuit, allowing electricity to flow
b)
close a circuit, allowing electricity to flow
c)
ope a circuit, stopping electricity from flowing
d)
close a circuit, stopping electricity from flowing
10.
Materials with easily movable charges that allow current to flow are know as:
a)
Conductors
b)
Insulators
c)
Circuits
d)
Currents
11.
Copper is a great conductor, what other materials are great conductors?
a)
Yarn, Glass, Bronze
b)
Plastic, Glass, Silver
c)
Wood, Glass, Lead
d)
Iron, Silver, Brass
12.
When a wire is taken out of a simple circuit, it is known as what kind of circuit?
a)
Open
b)
Closed
13.
Imagine you make a series circuit with wires, a switch, a light bulb, and a battery. Which battery will make the bulb brighter?
a)
1.5 Volt
b)
9 Volt
14.
If you add a light bulb to a parallel circuit that already has two light bulbs, the new light bulb will:
a)
Make all the lights brighter
b)
Make all the lights dimmer
c)
Be the same brightness as the other bulbs
d)
Make all the lights burn out
15.
Short circuits cause a huge amount of current, causing a fire danger.
a)
True
b)
False
16.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
17.
What type of circuit is used in your house?
a)
Light Circuits
b)
The best circuits
c)
Series Circuits
d)
Parallel Circuits
18.
What is the type of circuit that stops working when one bulb goes out?
a)
A broken circuit
b)
Parallel Circuit
c)
Series Circuit
d)
A metal circuit
19.
What is used to measure the flow of current in a circuit?
a)
Ammeter
b)
Battery
c)
Rheostat
d)
Voltmeter
20.
What is the unit of electric current?
a)
Amp
b)
Ohm
c)
Volt
d)
Watt
21.
Three bulbs connected in series .......
a)
are brighter than one bulb
b)
are dimmer than one bulb on its own
c)
do not light up
d)
are the same brightness as one bulb
22.
In a parallel circuit .......
a)
the current can flow through only one route
b)
the current can flow through more than one route
c)
the current does not flow
d)
the current gets smaller
23.
In order to measure the current flowing through a bulb in a circuit, the ammeter is connected in .......
a)
Not connected in the circuit
b)
parallel with the battery
c)
parallel with the bulb
d)
series with the bulb
24.
In order to measure the voltage across a bulb in a circuit, the voltmeter is connected in .......
a)
Not connected in the circuit
b)
parallel with the battery
c)
parallel with the bulb
d)
series with the bulb
25.
If more bulbs are added in series in a series circuit .......
a)
less current flows
b)
more current flows
c)
no current flows
d)
there is no change in current flow
26.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
27.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
28.
A student attached the parts as shown here and the bulb did not light.
The most likely reason the bulb does not light is because -
The most likely reason the bulb does not light is because -
a)
batteries can’t provide electric energy
b)
the flow of electricity can’t make a bulb light
c)
the switch must be open for electricity to flow
d)
yarn does not conduct electricity
29.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
30.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
31.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
32.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
33.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
34.
Where does electricity enter and exit the bulb?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 1
35.
Which part of the bulb gives off light?
a)
1
b)
2
c)
3
d)
4
36.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
1 and 4
37.
True or False. Inside the hidden circuit box, you saw that #2 and #5 were connected by a piece of wire. Also, #2 and #7 were connected. If you closed the box and used your circuit tester to touch 2 and 7, the bulb would light.
a)
True
b)
False
38.
Which diagram shows two bulbs in a series?
a)
1
b)
2
c)
3
d)
4
39.
Which diagram would you expect to have the brightest light?
a)
1
b)
2
c)
3
d)
4
40.
Which circuit has the brightest bulbs?
a)
series
b)
parallel
41.
When you removed one bulb from the series circuit and were left with 2 bulbs, what happened to the brightness of the bulbs?
a)
The bulbs got brighter.
b)
The bulbs got dimmer
c)
There was no change in the brightness.
42.
When you removed a bulb from the parallel circuit and was left with two bulbs in the circuit, what happened to the brightness of the bulbs?
a)
The bulbs go brighter.
b)
The bulbs got dimmer.
c)
There was no change in the brightness.
43.
Three series circuits are made with identical bulbs and batteries. One circuit has one bulb, the next has two, and the last one has three. Which circuit has the most current?
a)
The circuit with 1 bulb.
b)
The circuit with 2 bulbs.
c)
The circuit with 3 bulbs.
d)
They all have the same current.
44.
Three parallel circuits are made with identical bulbs and batteries. One circuit has two bulbs, the next has three, and the last one has four. Which circuit has the brightest bulbs?
a)
The circuit with 2 bulbs.
b)
The circuit with 3 bulbs.
c)
The circuit with 4 bulbs.
d)
All of the circuits have the same brightness.
45.
Three parallel circuits are made with identical bulbs and batteries. One circuit has two bulbs, the next has three, and the last one has four. Which circuit has the most overall current?
a)
The circuit with 2 bulbs.
b)
The circuit with 3 bulbs.
c)
The circuit with 4 bulbs.
d)
All of the circuits have the same amount of overall current.
46.
Which statement is true?
a)
The light bulb will light up because the circuit is complete.
b)
The light bulb will light up because the circuit is broken.
c)
The light bulb will not light up because the circuit is complete.
d)
The light bulb will not light up because the circuit is broken.
47.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
48.
a)
Bulbs are in parallel - Circuit X is brighter than Circuit Y
b)
Bulbs are in parallel - Circuit Y is brighter than Circuit X
c)
Bulbs are in series - Circuit X is brighter than Circuit Y
d)
Bulbs are in series - Circuit Y is brighter than Circuit X
49.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
two cells are not powerful enough
c)
there is a break in the circuit
d)
the cells are facing each other
50.
a)
Circuit X is brighter than circuit Y
b)
Circuit Y is brighter than circuit X
c)
Both circuits have the same brightness
d)
Neither circuit will light the bulbs
51.
a)
X = OFF
Y = OFF
Y = OFF
b)
X = ON
Y = OFF
Y = OFF
c)
X = OFF
Y = ON
Y = ON
d)
X = ON
Y = ON
Y = ON
52.
The bulb....
a)
lights up brightly
b)
does not light due to a short circuit
c)
does not light as the cells push against each other
d)
may blow as it is in two circuits
53.
a)
all bulbs are lit equally
b)
the two top bulbs are brighter
c)
the single lower bulb is brighter
d)
the single bulb does not light and the other two are dim
54.
when the switch is closed.....
a)
both bulbs TURN ON
b)
both bulbs STAY ON
c)
both bulbs TURN OFF
d)
both bulbs STAY OFF
55.
a)
A2 = A3
b)
A2 + A3 = A1
c)
A1 + A2 = A3
d)
A4 = A2 - A3
56.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
57.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
can still light up
c)
will go out
d)
of the light bulbs burn out also
58.
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?
a)
A
b)
B
c)
C
d)
D
59.
Unit for resistance
a)
Ampere
b)
Ohm
c)
Volt
d)
Watt
60.
Does this statement best describe a parallel or a series circuit.
When more light bulbs are added they all remain bright.
When more light bulbs are added they all remain bright.
a)
Parallel circuit
b)
Series circuit
61.
If the current through the battery was 10A in this diagram. What would the current through each bulb be?
a)
10A
b)
5A
c)
20A
d)
0A
62.
If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?
a)
10V
b)
5V
c)
20V
d)
0V
63.
If the current through the battery was 10A in this diagram. What would the current through each bulb be?
a)
10A
b)
5A
c)
20A
d)
0A
64.
What is the missing voltage?
a)
1.0V
b)
0.5V
c)
1.5V
d)
2.0V
65.
What is the missing voltage?
a)
2.0V
b)
1.5V
c)
1.0V
d)
0.5V
66.
What is the missing voltage?
a)
1.0V
b)
1.5V
c)
2.0V
d)
2.5V
67.
What is the missing current?
a)
Both 0.25A
b)
Both 0.5A
c)
0.2A and 0.3A
d)
0.1A and 0.4A
68.
What is the missing current?
a)
Both 3.7A
b)
Both 1.85A
c)
3.0A and 0.7A
d)
1.5A and 2.2A
69.
What is the missing current?
a)
Top: 2.5A
Middle: 2.5A
Middle: 2.5A
b)
Top: 5.0A
Middle: 2.5A
Middle: 2.5A
c)
Top: 5.0A
Middle: 5.0A
Middle: 5.0A
d)
Top: 4.0A
Middle: 2.0A
Middle: 2.0A
70.
What is the missing voltage?
a)
Middle: 1.5V
Bottom: 3.0V
Bottom: 3.0V
b)
Middle: 3.0V
Bottom: 3.0V
Bottom: 3.0V
c)
Middle: 0.75V
Bottom: 0.75V
Bottom: 0.75V
d)
Middle: 1.5V
Bottom: 1.5V
Bottom: 1.5V
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