WorksheetsElectrical Science Revision 11th December
Total questions: 25
Worksheet time: 19mins
What does this electrical symbol show?
Switch
Sound bar
Fluorescent Light
Fuse
What is this?
1 way switch
2 ways switch
Intermediate switch
Pull cord switch
Which of the following is the correct prefix for 106?
kilo-
giga-
mega-
micro-
What do we measure in watts?
Energy
Current
Power
Ohms
What do we measure temperature in?
Celsius
Kelvins
Fahrenheit
heat
Which of these materials the best conductor?
rubber
plastic
foam
copper
Which of these would make the best insulator?
copper
aluminium
plastic
brass
What would be a good source of alternating current?
motor
battery
generator
candle
What is a good source of direct current?
power station
battery
car engine
torch
If there is a current of 10amps flowing with a resistance of 5ohms, what would be the volatge?
2 volts
10 volts
50 volts
0.2 volts
If the power used by a lamp is 60 watts and it is supplied with a 10 volt battery, what current would flow?
600 amps
60 amps
0.6 amps
6 amps
Convert 5000 volts to kilovolts
5kv
50kv
5000000kv
0.5kv
An electric shower should be connected to the consumer unit on....
on a three phase supply
the socket circuit
it's own circuit
the ceiling
Three resistors connected in series of values 5ohms, 2ohms and 10 ohms will have a total resistance of....
15 ohms
17 amps
17 ohms
15 amps
Electrons hold what kind of charge?
no charge
neutral charge
positive
negative
What does A.C stand for?
Alternating Current
Alternating copper
ohms
A.C
what charge do neutrons have in an atom
neutral
positive
negative
not enough
name all 3 effects on electrical current
heat , chemical , attraction
thermal,chemical,magnetic
temperature, chemical ,metallic
fire , chemical , magnets
what is the si unit for mass?
gravity
kg
newtons
grams
What is resistance measured in ?
Volts
Ohms
Amps
Watts
What is Current Represented as ?
R
V
I
P
What unit do I use to measure Area?
ohms per metre
metres cubed
inches
metres squared
If I was using the unit Volts, what would I be measuring?
Current
Resistance
Power
Potential Difference
When I measure time, what unit would I use?
minutes
seconds
hours
days
Newtons could be used to measure __________?
mass
momentum
force
direction
