WorksheetsCircuits and Electricity - Topic 2
Total questions: 52
Worksheet time: 51mins
Name
Class
Date
1.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
2.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
3.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
4.
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.
5.
brass is a _____?
a)
insulator
b)
conductor
6.
wood is a _____?
a)
conductor
b)
insulator
7.
This circuit has more than one loop. When one light goes out, the others stay on.
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
8.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
9.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
10.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
11.
What type of circuit is used in your house?
a)
Light Circuits
b)
The best circuits
c)
Series Circuits
d)
Parallel Circuits
12.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
13.
Which of the two circuits would have the brightest bulbs?
a)
A
b)
B
14.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
15.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
16.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
the single cell is not powerful enough
c)
there is a break in the circuit
d)
there is a short crcuit
17.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
18.
a)
closed series
b)
open series
c)
open parallel
d)
closed parallel
19.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
20.
All wires used in electric circuits should be covered with:
a)
a colored material.
b)
a conducting material.
c)
an insulating material.
d)
none of these.
21.
What effect do like (similar) charges have on each other?
a)
They attract
b)
They repel
c)
No effect
d)
They reverse each other
22.
What is an electric current?
a)
a build up of electrons
b)
the difference in charge between 2 points
c)
the flow of electrons over a circuit
d)
the opposition to flow of electrons
23.
Which word means how hard it is for electrons to flow?
a)
Current
b)
Voltage
c)
Resistance
d)
Power
24.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
25.
If the Voltage stays the same and Resistance is increased, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
26.
In a series circuit, which of the following is the same throughout the circuit?
a)
Resistance
b)
Voltage
c)
Current
d)
Power
27.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
28.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
29.
What is voltage?
a)
The flow of protons
b)
The number of charged particles that pass each second
c)
The difference in potential energy of charged particles
d)
The rate at which energy is being transformed
30.
The movement of electrically charged _____ is called electric _____
a)
particles, transport
b)
ions, current
c)
particles, current
d)
ions, transport
31.
To have a complete electric circuit, the path must be _____
a)
small
b)
closed
c)
big
d)
open
32.
Turning off an electric light creates a(n) _____ path
a)
open
b)
divided
c)
continuous
d)
broken
33.
An electric current flows _____ unless it is disrupted in some way
a)
continuously
b)
in spurts
c)
unevenly
d)
drop by drop
34.
As current flows through a wire, the number of _____ stays the same
a)
circuits
b)
particles
c)
current
d)
electrons
35.
A flash of lightning is an example of an electric _____
a)
watt
b)
voltage
c)
current
d)
resistance
36.
When you turn off the TV, you stop the flow of charged _____
a)
particles
b)
amperes
c)
voltages
d)
ohms
37.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
38.
In a series circuit with 4 bulbs:
a)
a switch is never used
b)
all of the bulbs become dimmer if another bulb is added
c)
There are many paths for electricity to take
d)
the remaining 3 bulbs stay lit if one burns out
39.
What happens to the brightness of the light bulbs in a series circuit when you add more lights.
a)
Each bulb gets dimmer
b)
Each bulb remains the same
c)
Half of the bulbs get dimmer
d)
Each bulb gets brighter
40.
What part of a circuit is this object?
a)
power source
b)
load
c)
pathway
d)
switch
41.
A __________opens and closes a circuit?
a)
key
key
key
b)
magnet
c)
switch
d)
electromagnet
42.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
43.
Batteries and power plants are examples of ______________.
a)
energy sources
b)
energy conduction
c)
energy transformation
44.
The unit for the rate of current is the ______________.
a)
ampere
b)
volt
c)
ohm
d)
joule
45.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
46.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
47.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
48.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
49.
This is the symbol for a _____?
a)
Lamp
b)
Water wheel
c)
Loudspeaker
d)
Motor
50.
a)
Closed switch
b)
Push switch
c)
Trap door
d)
AC Power supply
51.
What is the following symbol represent?
a)
Wire
b)
Resistor
c)
Battery
d)
Switch
52.
Which of the following answer choices correctly describes the image?
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
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