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WorksheetsHollingworth Academy - Year 7 - 7J Electricity
Total questions: 22
Worksheet time: 29mins
Name
Class
Date
1.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from more than one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than 1 load.
2.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will get brighter.
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
3.
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.
4.
A continuous flow of electricity is called_____________
a)
series
b)
circuit
c)
static
d)
current
5.
What kind of circuit is this?
a)
series
b)
parallel
6.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
7.
wood is a _____?
a)
conductor
b)
insulator
8.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
9.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
10.
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
11.
Which electrical component does the diagram represent?
a)
Voltmeter
b)
Ammeter
c)
Cell
d)
Battery
12.
Select the electrical component used to measure voltage.
a)
Voltmeter
b)
Vaultmeter
c)
Ammeter
d)
Ampmeter
13.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
14.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
15.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
16.
In a Series circuit the more lightbulbs you add the brighter they get
a)
False
b)
True
17.
Silver is a _____?
a)
insulator
b)
conductor
18.
A material in which electrons are not able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
19.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
20.
What is the unit of measurement for resistance?
a)
Voltage
b)
Ampere
c)
Watts
d)
Ohms
21.
How does resistance affect current?
a)
less resistance - less current
b)
more resistance - less current
c)
more resistance - more current
d)
resistance does not affect current
22.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
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