WorksheetsTriple Paper 2 Full paper
Total questions: 171
Worksheet time: 3hrs 58mins
Which lights would turn on if your closed switches 1 and 2?
red, blue, and white
red and white
red and blue
blue, white, yellow
Why does the following circuit not work?
The light bulb is broken
The switch is closed
The wood block is an insulator
The battery is dead
This is the symbol for a...
Light Dependent Resistor
Light Emitting Diode
Thermistor
Cell
This is the symbol for a...
Light Emitting Diode
Fuse
Fixed Resistor
Variable Resistor
This is the symbol for a...
Bulb
Voltmeter
Ammeter
Motor
This is the symbol for a...
Light Emitting Diode
Light Dependent Resistor
Fuse
Cell
This is the symbol for a...
Fuse
Wire
Light Emitting Diode
Heater
This is the symbol for a...
Thermistor
Fixed Resistor
Variable Resistor
Fuse
The total resistance in this circuit is
9 ohms
450 ohms
150 ohms
50 ohms
The total resistance of this circuit is
90 or less ohms
45 or less ohms
180 or less ohms
315 or less ohms
In a thermistor, the resistance is high when the (a) is low.
Select the correct shape for the graph of a thermistor or an LDR.
The resistance of a thermistor increases when its temperature increases
TRUE
FALSE
The resistance of a light dependent resistor increases when the light intensity decreases
TRUE
FALSE
(a) is the flow of electrons.
In an electrical wire, as electrons collide with metal ions, they produce (a) .
In a filament bulb, friction between the electrons and ions causes (a) energy to transfer from the electrons to the ions.
Select the useful examples of the heating effect.
Toaster
Electric heater
Gas oven
Mobile phone
Kettle
Which of the following does this graph apply to?
A diode
A fixed resistor
A filament lamp
Which of the following does this graph apply to?
diode
filament lamp
fixed resistor
Which of the following does this graph apply to?
diode
filament lamp
fixed resistor
Which of the following is directly proportional?
Which of the following shows The Heating Effect?
Which of the following shows current travelling in only one direction?
Which colour is live?
Yellow and Green
Blue
Brown
None of them
What is the yellow and green wire called?
Earth
Live
Scary
Neutral
What is mains voltage in the UK?
240V
1.5V
120V
230V
Which images shows the voltage trace for a.c?
What is the name given to the blue wire?
Neutral Wire
Earth Wire
Live Wire (or Hot Wire)
Electricity is sent over ............... transmission lines.
low voltage
no voltage
high voltage
National Grid Network consists of
Power stations - step-up transformers - transmission lines - step-down transformers - consumers
Power stations - transmission lines - step-up transformers - consumers - step-down transformers
Power stations - step-down transformers - transmission lines -step-up transformers - consumers
Power stations - step-up transformers - consumers - transmission lines - step-down transformers
What is the advantage of electricity transmission at high voltage?
Increase the energy
High current flow
Reduce the heat dissipated in the electrical cable
Reduce the resistance of transmission cable
A transformer consists of
Metal Core
Metal core and coiled wire
Metal core and polymer wire
Polymer core and metal wire
Step-up transformer is a transformer that increases...
voltage.
current.
resistance.
conductance.
A secondary coil of a transformer has 500 windings. It was supplied with 200 V. How many windings needed at primary coil to produce 100 V.
(a)
Why transformers work with A.C. current but not D.C.
A.C current produces changing magnetic field.
D.C current produces changing magnetic field.
D.C current is weak
A.C current is powerful
Which of the following does not change in a transformer?
Voltage
Current
Power
Frequency
This picture is an example of a ________________.
Motor
Generator
Step-up transformer
Step-down transformer
A step up transformer _____________.
decreases voltage
decreases current
increases power
increases frequency
Power is how much energy changes every (a) .
The unti of power is (a) .
The unit of energy transfer is Joules.
True
False
Like charges will repel.
True
False
Which force causes electric charges to transfer between objects?
Gravity
Tension
Air resistance
Friction
Why can metals NOT be statically charged?
They do not have electrons.
They are conductors.
They are insulators.
The electrons are in fixed positions.
Which of these is a use of static? Select as many as you think.
Photocopier
Seperating recycling
MRI scanner
Spray painting cars
How does an earth wire work?
Allows excess electrons to flow through it to the Earth, discharging the object.
Prevents excess electrons from leaving the object.
Creates a smaller spark.
The electric field around a positive point charge...
is circular
points towards the charge
points away from the charge
is zero
The electric field around a negative point charge...
is circular
points towards the charge
points away from the charge
is zero
The electric field around a negative point charge...
is circular
points towards the charge
points away from the charge
is zero
If a neutral metal comb is held near an object with a negative charge, the comb will become charged by....
static discharge
contact
friction
induction
Walking across a carpet is a perfect example of charge being transferred by...
contact
induction
static electricity
friction
Two like magnetic poles will
attract
repel
do nothing
Which statements are true for permanent magnets?
Made of magnetically hard materials.
Made of magnetically soft materials.
Can be made stronger
Can be made weaker
Magnetically soft materials...
can be deformed easily
can be made from non-magnetic materials
lose their magnetism easily
have a low melting point
Magnetic field lines always go North to South.
True
False
How can you make an electromagnet stronger? Select all that apply
Increase the current
Increase the number of coils
Spin the coil faster
Add an iron core
Electromagnets cannot be made weaker.
True
False
A magnetic field is strongest where the field lines are closer together.
True
False
Electromagentic induction is producing (a) using magnets and a coil of wire.
Which of these will allow us to genertae more electricity in electromagnetic induction? Select all that apply.
Increase the voltage
Spin the wire/magnet faster
More coils of wire.
Stronger magnet
Larger magnet
When a wire carries current, it generates a magnetic field. The field lines are in (a) circles around the wire.
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.
True
False
When lookin at the motor effect we can use the left hand rule. Which digit represents the current?
First Finger
Second Finger
Thumb
When looking at the motor effect we can use the left hand rule. Which digit represents the movement of the wire (the force)?
First Finger
Second Finger
Thumb
Which transformer has more coils on the primary then the secondary?
Step up
Step down
Which transformer is to reduce heat loss in the over head cables (national grid)?
Step up
Step down
Which transformer is for safety?
Step up
Step down
In the primary coil of a transformer the alternating current produces an alternating magnetic field which (a) through the coils on the secondary side.
The motor effect works in a speaker. The alternating current causes the cone to vibrate which causes (a) in the air (sound).
What is the phase change called that occurs when a gas turns into a liquid?
Melting
Freezing
Condensation
Vaporization
Which phase change occurs between points D and E if heat is added?
Freezing
Melting
Evaporation
Condensing
What phase change occurs when a solid turns directly to a gas?
Freezing
Condensation
Sublimation
Vaporisation
What does section C show?
Melting
Boiling
Condensing
Freezing
None of these options
What state is the matter in at E?
Solid
Liquid
Gas
Plasma
Not enough information to say
What is the BEST definition for specific heat capacity
The amount of energy needed to heat up 1kg of a substance
The aount of thermla energy needed to heat up a substance by 1oC.
The amount of thermal energy needed to heat up 1kg of a substance by 1oC.
The amount fo thermal energy needed to make 1 kg of a substance chnage state.
If a material has a high specific heat capacity what does this mean?
It needs only a little bit of thermal energy to make 1kg of it heat up by 1oC.
It needs a lot of thermal energy to make 1kg of it heat up by 1oC.
Tick all the pieces of equipment you could use when investigating the specific heat capacity of water (core practical)
immersion heater
thermometer
stirrer
joulemeter
balance
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) .
Latent heat is how much thermal energy is needed to make 1kg of a substance chnage (a) .
Latent heat of fusion is how much thermal energy is needed to make 1kg of a substance...
melt
evaporate
condence
Latent heat of vaporisation is how much thermal energy is needed to make 1kg of a substance...
melt
evaporate
condence
the definition of density is: the mass per unit (a) .
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) .
To get the density of a cube, what piece/s of equipment do you need? Select as many as you think.
ruler
measuring cylinder
balance
water
When you increase your depth under water, the water pressure on your body
increases
decreases
stays the same
In gases, pressure is
directly proportional to volume
inversely proportional to volume
directly proportional to friction
inversely proportional to heat
Gas pressure is caused by
Gas molecules heating up
Gas molecules reacting with other gas molecules
Gas molecules hitting the walls of a container
Gas molecules hitting other gas molecules
The temperature of absolute zero in degrees celsius is minus (a) degrees.
To convert oC into K you must...
plus 273
minus 273
What happens to the pressure if you increase the temperature?
Increases
Decreases
Kientic energy is directly proportional to temperature in...
oC
Kelvin
If the net force is equal to zero, the forces acting on the object are
balanced
unbalanced
Select the answer in which both quantities are vectors
displacement, velocity
acceleration, speed
mass, time
power, weight
Two forces F1 and F2 act on an object as in the diagram above.
If F1 and F2 are drawn to scale, the resultant force can be found by measuring the length of the resultant line FR.
Which of the following diagrams shows the correct position of the line FR?
A spring has a spring constant of 450 N/m. How far is the spring compressed if 150 N of force are used?
2.2 m
3m
5.0 m
0.3 m
When comparing spring A to B,
A has a larger spring constant than B so A is a stiffer spring
B has a larger spring constant than A so A is a stiffer spring
A has a larger spring constant than B so B is a stiffer spring
B has a larger spring constant than A so B is a stiffer spring
Which of the following springs is the stiffest?
A spring that requires a force of 2000 N to compress it by 6.8 m.
A spring that requires a force of 4000 N to stretch it by 9.0 m.
A spring that requires a force of 8000 N to compress it by 45 m.
A spring that requires a force of 4800 N to stretch it by 14 m.
Spring constant is measured in
N
J
m
N/m
The figure shows the forces acting on a child who is balancing on a pogo stick.
The child and pogo stick are not moving.
The downward force of the child on the spring is equal to the upward force of the spring on the child.
This is an example of which one of Newton’s Laws of motion? (this is from Mechanics 1 last term)
First law
Second law
Third law
Complete the sentence - The compressed spring stores ..........................................
elastic potential energy
gravitational potential energy
kinetic energy
electrostatic energy
The child has a weight of 343 N.
Gravitational field strength = 9.8 N / kg
Select the equation which links gravitational field strength (g), mass (m) and weight (w).
w = m g
g = m w
m = g w
m = g + w
When the forces are removed the object will go back to its original shape.
This is elastic behaviour
This is inelastic behaviour
When the forces are removed the object will NOT go back to its original shape, it is permanently deformed.
This is elastic behaviour
This is inelastic behaviour
If you calculate the area under the graph in the springs core practical, it tells you...
the energy transferred (work done) in stretching ths spring.
the spring constant of the spring
If you calculate the gradient in the springs core practical, it tells you...
the energy transferred (work done) in stretching ths spring.
the spring constant of the spring
A nut can be loosened more easily with
a short spanner because a larger turning effect can be produced.
a long spanner because a larger turning effect can be produced.
a long spanner because a larger force can be produced.
a short spanner because a larger force can be produced.
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
The Law of Conservation of Energy states:
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed
Energy can't be created, destroyed or transformed
Energy cannot be created or destroyed.
Total energy = 350J
Useful energy = 70J
Workout the efficiency of this iphoneX.
efficiency = total energy inuseful energy ×100%
100%
80%
40%
20%
The unit of work done (energy transfer) is
Watts
Joules
