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Paper 2 Edexcel Combined Physics

Total questions: 128

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

Which lights would turn on if your closed switches 1 and 2?

a)

red, blue, and white

b)

red and white

c)

red and blue

d)

blue, white, yellow

2.

In order to produce ONLY LIGHT energy, which switch(es) would you need to close?

a)

switch 1 and switch 2

b)

switch 1, 2, and 3

c)

switch 2 and switch 3

d)

switch 1 and 3

3.

Why does the following circuit not work?

a)

The light bulb is broken

b)

The switch is closed

c)

The wood block is an insulator

d)

The battery is dead

4.

This is the symbol for a...

a)

Thermistor

b)

Bulb

c)

Fixed Resistor

d)

Ammeter

5.

This is the symbol for a...

a)

Motor

b)

Ammeter

c)

Bulb

d)

Voltmeter

6.

This is the symbol for a...

a)

Light Dependent Resistor

b)

Light Emitting Diode

c)

Thermistor

d)

Cell

7.

This is the symbol for a...

a)

Light Emitting Diode

b)

Fuse

c)

Fixed Resistor

d)

Variable Resistor

8.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

9.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

10.

This is the symbol for a...

a)

Light Emitting Diode

b)

Light Dependent Resistor

c)

Fuse

d)

Cell

11.

This is the symbol for a...

a)

Fuse

b)

Cell

c)

Fixed Resistor

d)

Variable Resistor

12.

This is the symbol for a...

a)

Battery

b)

Thermistor

c)

Motor

d)

Fuse

13.

This is the symbol for a...

a)

Thermistor

b)

Fixed Resistor

c)

Variable Resistor

d)

Fuse

14.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
15.

The total resistance of this circuit is

a)

90 or less ohms

b)

45 or less ohms

c)

180 or less ohms

d)

315 or less ohms

16.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
17.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
18.
a)
Bulbs are in parallel - Circuit X is brighter than Circuit Y
b)
Bulbs are in parallel - Circuit Y is brighter than Circuit X
c)
Bulbs are in series - Circuit X is brighter than Circuit Y
d)
Bulbs are in series - Circuit Y is brighter than Circuit X
19.
a)
A2 = A3
b)
A2 + A3 = A1
c)
A1 + A2 = A3
d)
A4 = A2 - A3
20.

In a thermistor, the resistance is high when the (a)   is low.

21.

Select the correct shape for the graph of a thermistor or an LDR.

a)
b)
c)
d)
22.

The resistance of a thermistor increases when its temperature increases

a)

TRUE

b)

FALSE

23.

The resistance of a light dependent resistor increases when the light intensity decreases

a)

TRUE

b)

FALSE

24.

Thermistors are used in (a)   alarms

25.

LDRS are used in (a)   lights

26.

LDRS are used in (a)   lights

27.

What do the small blue circles in the diagram represent?

(a)  

28.

(a)   is the flow of electrons.

29.

In a filament bulb, friction between the electrons and ions causes (a)   energy to transfer from the electrons to the ions.

30.

Select the useful examples of the heating effect.

a)

Toaster

b)

Electric heater

c)

Gas oven

d)

Mobile phone

e)

Kettle

31.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
32.

Which of the following does this graph apply to?

a)

A diode

b)

A fixed resistor

c)

A filament lamp

33.

Which of the following does this graph apply to?

a)

diode

b)

filament lamp

c)

fixed resistor

34.

Which of the following does this graph apply to?

a)

diode

b)

filament lamp

c)

fixed resistor

35.

Which of the following is directly proportional?

a)
b)
c)
36.

Which of the following shows current travelling in only one direction?

a)
b)
c)
37.

Which of the following shows The Heating Effect?

a)
b)
c)
38.

What is the yellow and green wire called?

a)

Earth

b)

Live

c)

Scary

d)

Neutral

39.

What is mains voltage in the UK?

a)

240V

b)

1.5V

c)

120V

d)

230V

40.

Which images shows the voltage trace for a.c?

a)
b)
41.

What is the name given to the blue wire?

a)

Neutral Wire

b)

Earth Wire

c)

Live Wire (or Hot Wire)

42.

Earth wires are particularly important if the case of an appliance is made of ______

a)

metal

b)

plastic

c)

wood

d)

rubber

43.

Electricity is sent over ............... transmission lines.

a)

low voltage

b)

no voltage

c)

high voltage

44.

National Grid Network consists of

a)

Power stations - step-up transformers - transmission lines - step-down transformers - consumers

b)

Power stations - transmission lines - step-up transformers - consumers - step-down transformers

c)

Power stations - step-down transformers - transmission lines -step-up transformers - consumers

d)

Power stations - step-up transformers - consumers - transmission lines - step-down transformers

45.

What is the advantage of electricity transmission at high voltage?

a)

Increase the energy

b)

High current flow

c)

Reduce the heat dissipated in the electrical cable

d)

Reduce the resistance of transmission cable

46.

Diagram shows a National Grid Network to transmit electricity. The energy dissipated during the transmission can be reduced by

a)

Using high resistivity cable

b)

Using high current

c)

Using low density cable

d)

Using high voltage

47.
Step-down transformers...
a)
improve the efficiency of the national grid
b)
reduce the voltage to a safe level for the home
c)
both 
48.
Step-up transformers...
a)
improve the efficiency of the national grid
b)
reduce the voltage to a safe level for the home
c)
both 
49.

Step-up transformer is a transformer that increases...

a)

voltage.

b)

current.

c)

resistance.

d)

conductance.

50.

This picture is an example of a ________________.

a)

Motor

b)

Generator

c)

Step-up transformer

d)

Step-down transformer

51.

The two poles on a magnet are...

a)

North

b)

East

c)

South

d)

West

52.

Two like magnetic poles will

a)

attract

b)

repel

c)

do nothing

53.

Two opposite magnetic poles will...

a)

attract

b)

repel

c)

do nothing

54.

Which statements are true for permanent magnets?

a)

Made of magnetically hard materials.

b)

Made of magnetically soft materials.

c)

Can be made stronger

d)

Can be made weaker

55.

Magnetically soft materials...

a)

can be deformed easily

b)

can be made from non-magnetic materials

c)

lose their magnetism easily

d)

have a low melting point

56.

Magnetic field lines always go North to South.

a)

True

b)

False

57.

How can you make an electromagnet stronger? Select all that apply

a)

Increase the current

b)

Increase the number of coils

c)

Spin the coil faster

d)

Add an iron core

58.

Electromagnets cannot be made weaker.

a)

True

b)

False

59.

A magnetic field is strongest where the field lines are closer together.

a)

True

b)

False

60.
What can an electromagnet do that a permanent magnet cannot do?
a)
It is stronger than any permanent magnet.
b)
It can be turned on and off
c)
They can glow in the dark
61.

Electromagentic induction is producing (a)   using magnets and a coil of wire.

62.

Which of these will allow us to genertae more electricity in electromagnetic induction? Select all that apply.

a)

Increase the voltage

b)

Spin the wire/magnet faster

c)

More coils of wire.

d)

Stronger magnet

e)

Larger magnet

63.

When a wire carries current, it generates a magnetic field. The field lines are in (a)   circles around the wire.

64.

When a magnetic field is produced around a current carrying wire, we can work out the direction of this magnetic field using the right hand rule.


True or False?


The thumb in the right hand rule must point in the direction to the current.

a)

True

b)

False

65.

Higher only, but feel free to give it a try.


When lookin at the motor effect we can use the left hand rule. Which digit represents the current?

a)

First Finger

b)

Second Finger

c)

Thumb

66.

Higher only, but feel free to give it a try.


When looking at the motor effect we can use the left hand rule. Which digit represents the movement of the wire (the force)?

a)

First Finger

b)

Second Finger

c)

Thumb

67.

A step (a)   transformer increases the voltage.

68.

Which transformer is to reduce heat loss in the over head cables (national grid)?

a)

Step up

b)

Step down

69.

Which transformer is for safety?

a)

Step up

b)

Step down

70.

Houses in the UK use a voltage of (a)   volts.

71.

Higher only, but feel free to give it a try!


In the primary coil of a transformer the alternating current produces an alternating magnetic field which (a)   through the coils on the secondary side.

72.

Higher only, but feel free to give it a try.


The motor effect works in a speaker. The alternating current causes the cone to vibrate which causes (a)   in the air (sound).

73.
The state of matter having no definite shape or volume.
a)
solid
b)
liquid
c)
gas
74.
The motion energy of particles is called...
a)
kinetic energy
b)
connecting energy
c)
electrostatic energy
d)
gravitational energy
75.
When particles collide with each other they...
a)
transfer kinetic energy
b)
stop completely still
c)
become smaller
d)
lose all their energy
76.
Absolute zero is the temperature (in Kelvin), at which, only in theory...
a)
all particles stop moving
b)
time stands still
c)
space and time merge
d)
energy goes to infinity
77.
If the atoms of an object are moving fast, the temperature would be...
a)
High
b)
Low
78.
What is the phase change called that occurs when a solid turns into a liquid?
a)
Melting
b)
Freezing
c)
Condensation
d)
Vaporization
79.

What is the phase change called that occurs when a gas turns into a liquid?

a)

Melting

b)

Freezing

c)

Condensation

d)

Vaporization

80.
What phase change occurs between points B and C if heat is added?
a)
Freezing
b)
Melting
c)
Boiling
d)
Condensing
81.

Which phase change occurs between points D and E if heat is added?

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensing

82.

What phase change occurs when a solid turns directly to a gas?

a)

Freezing

b)

Condensation

c)

Sublimation

d)

Vaporisation

83.

What is the BEST definition for specific heat capacity

a)

The amount of energy needed to heat up 1kg of a substance

b)

The aount of thermla energy needed to heat up a substance by 1oC.

c)

The amount of thermal energy needed to heat up 1kg of a substance by 1oC.

d)

The amount fo thermal energy needed to make 1 kg of a substance chnage state.

84.

If a material has a high specific heat capacity what does this mean?

a)

It needs only a little bit of thermal energy to make 1kg of it heat up by 1oC.

b)

It needs a lot of thermal energy to make 1kg of it heat up by 1oC.

85.

Tick all the pieces of equipment you could use when investigating the specific heat capacity of water (core practical)

a)

immersion heater

b)

thermometer

c)

stirrer

d)

joulemeter

e)

balance

86.

In the core practical of investigating the specific heat capacity of water, we take the temperature at the start and at the end so we can calculate a temperature (a)   .

87.

Latent heat of fusion is how much thermal energy is needed to make 1kg of a substance...

a)

melt

b)

evaporate

c)

condence

88.

Latent heat of vaporisation is how much thermal energy is needed to make 1kg of a substance...

a)

melt

b)

evaporate

c)

condence

89.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
90.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
91.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3 
c)
38.0 cm3
92.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
93.

the definition of density is: the mass per unit (a)   .

94.

In the core practical for finding the density of an irregular shaped object, to firstly get the volume of the object, you have to use the displacement of (a)   .

95.

To get the density of a cube, what piece/s of equipment do you need? Select as many as you think.

a)

ruler

b)

measuring cylinder

c)

balance

d)

water

96.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
97.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
98.

Gas pressure is caused by

a)

Gas molecules heating up

b)

Gas molecules reacting with other gas molecules

c)

Gas molecules hitting the walls of a container

d)

Gas molecules hitting other gas molecules

99.

The temperature of absolute zero in degrees celsius is minus (a)   degrees.

100.

To convert oC into K you must...

a)

plus 273

b)

minus 273

101.

What happens to the pressure if you increase the temperature?

a)

Increases

b)

Decreases

102.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
103.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
104.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

105.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
106.
What force does a parachute use to slow things down before hitting the ground?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Wind
107.
Which of these uses friction?
a)
A parachute
b)
A ball falling through the sky
c)
Brakes on a bike
d)
A wind turbine
108.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
109.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
110.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
111.
A deer running 15 meters per second due west.Vector or scalar?
a)
Scalar
b)
Vector
112.
A quantity that has both magnitude and direction is called a scalar quantity.
a)
True
b)
False
113.

When comparing spring A to B,

a)

A has a larger spring constant than B so A is a stiffer spring

b)

B has a larger spring constant than A so A is a stiffer spring

c)

A has a larger spring constant than B so B is a stiffer spring

d)

B has a larger spring constant than A so B is a stiffer spring

114.

Spring constant is measured in

a)

N

b)

J

c)

m

d)

N/m

115.

Complete the sentence - The compressed spring stores ..........................................

a)

elastic potential energy

b)

gravitational potential energy

c)

kinetic energy

d)

electrostatic energy

116.

When the forces are removed the object will go back to its original shape.

a)

This is elastic behaviour

b)

This is inelastic behaviour

117.

When the forces are removed the object will NOT go back to its original shape, it is permanently deformed.

a)

This is elastic behaviour

b)

This is inelastic behaviour

118.

If you calculate the area under the graph in the springs core practical, it tells you...

a)

the energy transferred (work done) in stretching ths spring.

b)

the spring constant of the spring

119.

If you calculate the gradient in the springs core practical, it tells you...

a)

the energy transferred (work done) in stretching ths spring.

b)

the spring constant of the spring

120.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
121.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
122.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
123.

What is the formula for Kinetic Energy?

a)

KE = mass x velocity

b)

KE= 1/2 x mass x velocity 2

c)

KE = mass x gravity x height

d)

KE = mass x velocity / 2

124.

Total energy = 200J
Useful energy = 20J

Workout the efficiency of this lightbulb.
 efficiency = useful enegytotal energy in ×100efficiency\ =\ \frac{useful\ enegy}{total\ energy\ in}\ \times100  

a)

100%

b)

80%

c)

40%

d)

10%

125.

A lightbulb with efficiency of 10% would be

a)

efficient

b)

inefficient

126.

Power is how much energy changes every (a)   .

127.

The unit of power is

a)

Watts

b)

Joules

128.

The unit of work done (energy transfer) is

a)

Watts

b)

Joules

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