Worksheetselectrical circuits
Total questions: 35
Worksheet time: 29mins
Name
Class
Date
1.
A material that does NOT allow electricity to flow is called _____.
a)
a conductor
b)
a fuse
c)
an insulator
d)
a transformer
2.
What is electricity?
a)
a form of energy
b)
heat
c)
power source
3.
What is an electrical circuit?
a)
lets you turn the energy on and off
b)
a closed path where where electricity flows
c)
stop electricity from flowing through
4.
conductors
a)
power source
b)
turns energy on and off
c)
let electricity flow through easily
d)
stop electricity from flowing through easily
5.
What is a good conductor?
a)
wood
b)
metal
c)
plastic
d)
battery
6.
insulators
a)
power source
b)
turns energy on and off
c)
let electricity flow through easily
d)
stop electricity from flowing through easily
7.
What is a battery?
a)
switch
b)
power source
c)
insulator
8.
What does an electric circuit need to provide energy?
a)
A bulb
b)
A cell
c)
A switch
d)
A wire
9.
Which of the following does a light bulb do?
a)
Change electrical energy into kinetic energy
b)
Change electrical energy into light energy
c)
Change light energy into electrical energy
d)
Change light energy into thermal energy
10.
A complete circuit has .......
a)
a motor in it
b)
a switch in it
c)
two bulbs in it
d)
no breaks in it
11.
What is the unit of electric current?
a)
Amp
b)
Ohm
c)
Volt
d)
Watt
12.
What is used to measure the flow of current in a circuit?
a)
Ammeter
b)
Battery
c)
Rheostat
d)
Voltmeter
13.
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
14.
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
15.
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
16.
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
17.
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
18.
A student began building a circuit to light a bulb. What else does the student need to produce light?
a)
a battery that has energy
b)
a wire that is insulated
c)
a switch that is open
d)
another bulb of the same size
19.
When electricity flows in a circuit, it can produce all of the following forms of energy EXCEPT,
a)
solar
b)
light
c)
thermal
d)
sound
20.
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
21.
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
22.
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
23.
This lamp produces light.
When the lamp produces light, it demonstrates that the lamp must have a –
When the lamp produces light, it demonstrates that the lamp must have a –
a)
powerful magnet
b)
rechargeable battery
c)
complete circuit
d)
plastic cord
24.
Will this configuration of a complete circuit and light a bulb?
a)
yes
b)
no
25.
Will this configuration of a complete circuit light a bulb?
a)
yes
b)
no
26.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
27.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
28.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
29.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
30.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
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)
a battery
d)
a single cell
33.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
34.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
35.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
100 %
