WorksheetsP2 AQA KKI
Total questions: 153
Worksheet time: 52mins
Name
Class
Date
1.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
2.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
3.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
4.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
5.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
6.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
7.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
8.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
9.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
10.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
11.
What is this the circuit symbol for?
a)
LDR
b)
Thermistor
c)
LED
d)
Variable resistor
e)
Battery
12.
What is this the circuit symbol for?
a)
LDR
b)
Thermistor
c)
LED
d)
Variable resistor
e)
Battery
13.
What is current?
a)
The flow of electrons
b)
the energy of electrons
c)
Speed of the electricity
d)
The voltage of the electrons
14.
What is used to measure current?
a)
Ammeter
b)
Voltmeter
c)
Resistor
d)
Diode
15.
The greater the resistance
a)
the lower the current
b)
the greater the current
16.
The lower the resistance
a)
the lower the current
b)
the greater the current
17.
How do you calculate charge?
a)
current x time
b)
current / time
c)
time / current
18.
What are the units for charge?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
19.
What are the units for current?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
20.
What are the units for voltage?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
21.
what is resistance measured in?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
22.
How do you calculate voltage?
a)
current x resistance
b)
current / resistance
c)
resistance / current
23.
How do you connect an ammeter?
a)
in series
b)
in parallel
24.
How do you connect a voltmeter?
a)
in series
b)
in parallel
25.
What is used to measure potential difference?
a)
Ammeter
b)
Voltmeter
c)
Resistor
d)
Diode
26.
when will resistance increase?
a)
when the wire gets hotter
b)
when the wire is cooler
c)
when the wire is shorter
27.
when will resistance increase?
a)
When the wire gets longer
b)
when the wire is cooler
c)
when the wire is shorter
28.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
29.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
30.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
31.
how do you calculate resistance?
a)
voltage / current
b)
voltage x current
c)
current / voltage
32.
What does LDR stand for?
a)
light dependent resistor
b)
light dancing resistor
c)
light dependent radiator
33.
which of these is not a resistor?
a)
fixed resistor
b)
variable resistor
c)
filament lamp
d)
LDR
e)
ammeter
34.
which of these is not a resistor?
a)
fixed resistor
b)
variable resistor
c)
Thermistor
d)
LDR
e)
ammeter
35.
Which factor causes the resistance in an LDR to change?
a)
light
b)
heat
c)
sound
d)
movement
36.
Which factor causes the resistance in an thermistor
a)
light
b)
heat
c)
sound
d)
movement
37.
what happens to resistance in an LDR as light intensity increases?
a)
it increases
b)
it decreases
c)
it stays the same
38.
what happens to resistance in an LDR as light intensity decreases?
a)
it increases
b)
it decreases
c)
it stays the same
39.
what happens to resistance in a thermistor as temperature increases?
a)
it increases
b)
it decreases
c)
it stays the same
40.
what happens to resistance in a thermistor as temperature decreases?
a)
it increases
b)
it decreases
c)
it stays the same
41.
what are thermistors found in?
a)
thermostats
b)
automatic lighting
42.
what are LDR's found in?
a)
thermostats
b)
automatic lighting
43.
What happens to current in a series circuit?
a)
increases as you go round the circuit
b)
decreases as you go round the circuit
c)
it stays the same around the whole circuit
44.
what happens to potential difference (voltage) in a series circuit?
a)
it gets shared between all the components
b)
all components get the full amount of voltage from the cell
c)
the first component uses all the voltage up
45.
how do you calculate the total resistance in a series circuit?
a)
add them all up
b)
multiply them all together
46.
If you have 3 cells each providing 1.5Volts, what is the total voltage supplied in the circuit?
a)
1.5
b)
3
c)
4.5
d)
6
47.
what happens to potential difference (voltage) in a parallel circuit?
a)
it gets shared between all the components
b)
each branch gets the full amount of voltage from the cell
c)
the first component uses all the voltage up
48.
what happens to current in a parallel circuit
a)
it stays the same around the whole circuit
b)
it splits up and then rejoins
c)
it decreases as you go round the circuit
d)
it increases as you go round the circuit
49.
what happens to the total resistance in a parallel circuit when more resistors are added in parallel?
a)
it increases
b)
it decreaases
c)
it stays the same
50.
what type of current does the UK mains have?
a)
AC
b)
DC
51.
What type of current does a battery give off?
a)
AC
b)
DC
52.
What is the potential difference of the mains supply?
a)
50hz
b)
230v
c)
100V
d)
100hz
53.
What is the frequency of the mains supply?
a)
50hz
b)
230v
c)
100V
d)
100hz
54.
what is frequency meausred in?
a)
seconds
b)
hertz
c)
ohms
d)
amps
55.
What does 50hz mean?
a)
the current changes direction 50 times every second
b)
the current takes 50 seconds to change direction
56.
what colour is the live wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
57.
what colour is the neutral wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
58.
what colour is the earth wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
59.
which wire has potential difference (voltage) in it?
a)
live
b)
neutral
c)
earth
60.
which wire does not contain current?
a)
live
b)
neutral
c)
earth
61.
what is the purpose of the earth wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
62.
what is the purpose of the live wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
63.
what is the purpose of the neutral wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
64.
how do you calculate energy transferred to an appliance given power and time
a)
power x time
b)
power / time
c)
time / power
65.
how do you calculate energy transferred to an appliance given charge and voltage?
a)
charge x voltage
b)
voltage / charge
c)
charge / voltage
66.
how do you calculate power given voltage and current?
a)
voltage x current
b)
voltage / current
c)
current / voltage
67.
how do you calculate power given current and resistance?
a)
current x resistance
b)
current2 x resistance
c)
resistance / current
68.
Which of these is not part of the national grid?
a)
power stations
b)
power cables
c)
step up transformers
d)
step down transformers
69.
what does a step up transformer do?
a)
increases the voltage
b)
decreases the voltage
70.
what does a step down transformer do?
a)
increases the voltage
b)
decreases the voltage
71.
why is voltage stepped up?
a)
it reduces the current so less energy is lost as heat
b)
it increases the current so less energy is lost as heat
72.
why is voltage stepped down?
a)
so it doesn’t electrocute us
b)
so it powers our appliances
73.
the national grid is a giant system made up of cables and transformers that connects power stations to our homes
a)
true
b)
false
74.
What is current?
a)
The flow of electrons
b)
the energy of electrons
c)
Speed of the electricity
d)
The voltage of the electrons
75.
What is used to measure current?
a)
Ammeter
b)
Voltmeter
c)
Resistor
d)
Diode
76.
The greater the resistance
a)
the lower the current
b)
the greater the current
77.
The lower the resistance
a)
the lower the current
b)
the greater the current
78.
How do you calculate charge?
a)
current x time
b)
current / time
c)
time / current
79.
What are the units for charge?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
80.
What are the units for current?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
81.
What are the units for voltage?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
82.
what is resistance measured in?
a)
Coulombs
b)
ohms
c)
amps
d)
volts
83.
How do you calculate voltage?
a)
current x resistance
b)
current / resistance
c)
resistance / current
84.
How do you connect an ammeter?
a)
in series
b)
in parallel
85.
How do you connect a voltmeter?
a)
in series
b)
in parallel
86.
What is used to measure potential difference?
a)
Ammeter
b)
Voltmeter
c)
Resistor
d)
Diode
87.
when will resistance increase?
a)
when the wire gets hotter
b)
when the wire is cooler
c)
when the wire is shorter
88.
when will resistance increase?
a)
When the wire gets longer
b)
when the wire is cooler
c)
when the wire is shorter
89.
how do you calculate resistance?
a)
voltage / current
b)
voltage x current
c)
current / voltage
90.
What does LDR stand for?
a)
light dependent resistor
b)
light dancing resistor
c)
light dependent radiator
91.
which of these is not a resistor?
a)
fixed resistor
b)
variable resistor
c)
filament lamp
d)
LDR
e)
ammeter
92.
which of these is not a resistor?
a)
fixed resistor
b)
variable resistor
c)
Thermistor
d)
LDR
e)
ammeter
93.
Which factor causes the resistance in an LDR to change?
a)
light
b)
heat
c)
sound
d)
movement
94.
Which factor causes the resistance in an thermistor
a)
light
b)
heat
c)
sound
d)
movement
95.
what happens to resistance in an LDR as light intensity increases?
a)
it increases
b)
it decreases
c)
it stays the same
96.
what happens to resistance in an LDR as light intensity decreases?
a)
it increases
b)
it decreases
c)
it stays the same
97.
what happens to resistance in a thermistor as temperature increases?
a)
it increases
b)
it decreases
c)
it stays the same
98.
what happens to resistance in a thermistor as temperature decreases?
a)
it increases
b)
it decreases
c)
it stays the same
99.
what are thermistors found in?
a)
thermostats
b)
automatic lighting
100.
what are LDR's found in?
a)
thermostats
b)
automatic lighting
101.
What happens to current in a series circuit?
a)
increases as you go round the circuit
b)
decreases as you go round the circuit
c)
it stays the same around the whole circuit
102.
what happens to potential difference (voltage) in a series circuit?
a)
it gets shared between all the components
b)
all components get the full amount of voltage from the cell
c)
the first component uses all the voltage up
103.
how do you calculate the total resistance in a series circuit?
a)
add them all up
b)
multiply them all together
104.
If you have 3 cells each providing 1.5Volts, what is the total voltage supplied in the circuit?
a)
1.5
b)
3
c)
4.5
d)
6
105.
what happens to potential difference (voltage) in a parallel circuit?
a)
it gets shared between all the components
b)
each branch gets the full amount of voltage from the cell
c)
the first component uses all the voltage up
106.
what happens to current in a parallel circuit
a)
it stays the same around the whole circuit
b)
it splits up and then rejoins
c)
it decreases as you go round the circuit
d)
it increases as you go round the circuit
107.
what happens to the total resistance in a parallel circuit when more resistors are added in parallel?
a)
it increases
b)
it decreaases
c)
it stays the same
108.
what type of current does the UK mains have?
a)
AC
b)
DC
109.
What type of current does a battery give off?
a)
AC
b)
DC
110.
What is the potential difference of the mains supply?
a)
50hz
b)
230v
c)
100V
d)
100hz
111.
What is the frequency of the mains supply?
a)
50hz
b)
230v
c)
100V
d)
100hz
112.
what is frequency meausred in?
a)
seconds
b)
hertz
c)
ohms
d)
amps
113.
What does 50hz mean?
a)
the current changes direction 50 times every second
b)
the current takes 50 seconds to change direction
114.
what colour is the live wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
115.
what colour is the neutral wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
116.
what colour is the earth wire?
a)
brown
b)
green and yellow
c)
green
d)
blue
117.
which wire has potential difference (voltage) in it?
a)
live
b)
neutral
c)
earth
118.
which wire does not contain current?
a)
live
b)
neutral
c)
earth
119.
what is the purpose of the earth wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
120.
what is the purpose of the live wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
121.
what is the purpose of the neutral wire?
a)
safety - prevent electric shock
b)
to give voltage to the appliance
c)
the return path from the appliance to the plug
122.
how do you calculate energy transferred to an appliance given power and time
a)
power x time
b)
power / time
c)
time / power
123.
how do you calculate energy transferred to an appliance given charge and voltage?
a)
charge x voltage
b)
voltage / charge
c)
charge / voltage
124.
how do you calculate power given voltage and current?
a)
voltage x current
b)
voltage / current
c)
current / voltage
125.
how do you calculate power given current and resistance?
a)
current x resistance
b)
current2 x resistance
c)
resistance / current
126.
Which of these is not part of the national grid?
a)
power stations
b)
power cables
c)
step up transformers
d)
step down transformers
127.
what does a step up transformer do?
a)
increases the voltage
b)
decreases the voltage
128.
what does a step down transformer do?
a)
increases the voltage
b)
decreases the voltage
129.
why is voltage stepped up?
a)
it reduces the current so less energy is lost as heat
b)
it increases the current so less energy is lost as heat
130.
why is voltage stepped down?
a)
so it doesn’t electrocute us
b)
so it powers our appliances
131.
the national grid is a giant system made up of cables and transformers that connects power stations to our homes
a)
true
b)
false
132.
Where is the earth wire connected?
a)
A
b)
B
c)
C
d)
D
133.
Where is the LIVE wire connected?
a)
A
b)
B
c)
C
d)
D
134.
Where is the NEUTRAL wire connected?
a)
A
b)
B
c)
C
d)
D
135.
What is D?
a)
Fuse
b)
Live wire
c)
Cell
d)
Switch
136.
Where is the earth wire connected?
a)
A
b)
B
c)
C
d)
D
137.
What is D?
a)
Fuse
b)
Live wire
c)
Cell
d)
Switch
138.
Where is the NEUTRAL wire connected?
a)
A
b)
B
c)
C
d)
D
139.
Where is the LIVE wire connected?
a)
A
b)
B
c)
C
d)
D
140.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
141.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
142.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
143.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
144.
What is this the circuit symbol for?
a)
Bulb
b)
Cell
c)
Switch
d)
Fuse
e)
LED
145.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
146.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
147.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
148.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
149.
What is this the circuit symbol for?
a)
Fixed resistor
b)
Variable resistor
c)
Ammeter
d)
Voltmeter
e)
Diode
150.
What is this the circuit symbol for?
a)
LDR
b)
Thermistor
c)
LED
d)
Variable resistor
e)
Battery
151.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
152.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
153.
what is this a IV graph for?
a)
Fixed resistor
b)
Filament lamp
c)
diode
100 %
