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Worksheets10SC8
Total questions: 18
Worksheet time: 12mins
Name
Class
Date
1.
Electrical energy enters the home at approximately...
a)
25,000 V
b)
132 kV
c)
230 V
2.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
3.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
4.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
5.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
6.
Select the symbol for a switch from the choices provided.
a)
A
b)
B
c)
C
d)
D
7.
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.
8.
A conductor allows electric current to easily pass through it.
a)
True
b)
False
9.
Which word means how hard it is for electrons to flow?
a)
Current
b)
Voltage
c)
Resistance
d)
Power
10.
What is the unit of power?
a)
Ohms
b)
Volts
c)
Amps
d)
Watts
11.
The fuse in a circuit melts when:
a)
An appliance isn't earthed
b)
Too much current flows
c)
Too much voltage flows
12.
A 2.0 A lamp is connected to a 1.5 V battery. What is the power?
a)
0.75 W
b)
3.0 W
c)
3.5 W
13.
What colour is the live wire in a mains plug?
a)
Green
b)
Blue
c)
Brown
14.
A double insulated appliance does not need:
a)
A fuse
b)
An earth wire
c)
A neutral wire
15.
What may happen if you wire circuits incorrectly?
a)
Nothing
b)
Electric Shock
c)
It will still work
16.
Electrical power can be calculated using
a)
Resistance x Voltage
b)
Voltage x Current
c)
Voltage ÷ Current
17.
The voltage on these pylons are
a)
3A
b)
5A
c)
400,000V
d)
400V
18.
In the event that someone is being shocked by electricity you would never ________________.
a)
call an adult
b)
call 911
c)
touch them
d)
yell for help
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