Physics — Modular 2024, Unit 1

Practice Paper 1 (Edexcel IGCSE Physics)

Exam code:4XPH1

10 questions · 65 marks · ≈ 65 min · spans 10 of 12 topics

Assembled from the topic question banks — not an official Edexcel paper

Guided practice

14 markseasy

The diagram shows a series circuit.

current-in-circuit

Which of the following shows the correct relationship between the readings on ammeters A₁, A₂ and A₃?

Choose your answer

$A_{1}=A_{2}+A_{3}$

$A_{1}=A_{2}=A_{3}$

$A_{1}=A_{2}-A_{3}$

$A_{1}=A_{3}-A_{2}$

3 marks

Complete the sentences to explain how a fuse protects a circuit.

larger than smaller than melts falls off starts stops overheating overexciting

When the current becomes ........................... the value of the fuse, the fuse wire ........................... . This ........................... the flow of current in the circuit.

This is an important safety feature in a circuit to prevent the wires in the circuit from ........................... .

Your answer

How did you do?/ 4

28 markseasy

The current in the wires of a circuit is a flow of particles.

What is the name of these particles?

Choose your answer

electrons

positrons

protons

atoms

4 marks

A student sets up an electrical circuit. The diagram shows part of this circuit.

2-1-q5b-e-incomplete-circuit-diagram-sq-igcse

Complete the circuit diagram by drawing circuit symbols for three devices so that the student can

(i) Measure the total current in the circuit

(1 mark)

(ii) Vary the current in the lamp B only

(1 mark)

(iii) Measure the voltage across lamp B.

(2 marks)

Your answer

3 marks

The current in lamp A is 0.20 A. The voltage across lamp A is 6.0 V.

(i) State the equation linking voltage, current and resistance.

(1 mark)

(ii) Calculate the resistance of lamp A.

(2 marks)

resistance = ......................................................Ω

Your answer

How did you do?/ 8

314 markseasy

3 marks

The table shows information about three electrical appliances.

Appliance	Power in W	Current in A
lamp	40	0.17
oven	2200	9.6
television	110

(i) State the relationship between power, current and voltage.

(1 mark)

(ii) Calculate the current in the television. You may assume that the mains voltage is 230 V.

(2 marks)

current = ............................................... A

Your answer

8 marks

The photographs show the different cables used for the oven and the lamp.

2-3-q2b-e-differet-electrical-cables-sq-igcse

(i) Draw lines to complete the following statements

wire-connects

(4 marks)

(ii) Complete the following sentences by circling the correct words

The wires in the oven cable are thinner / thicker than the wires in the lamp cable because:

They carry a higher / lower current than the lamp cable
They have a higher / lower resistance than the lamp cable

The lamp cable has two wires, which is safe / not safe to use, because:

The wires of the lamp have double conducting power / insulation.
The wires of the lamp are cased in metal / plastic, which is a good conductor / insulator.

(4 marks)

Your answer

3 marks

The lamp is switched on for 3000 seconds.

Calculate the energy transferred by the lamp in this time.

energy transferred = ............................................... J

Your answer

How did you do?/ 14

42 markseasy

(a)

Which of these non-metals can conduct electricity?

Choose your answer

Carbon

Chalk

Plastic

Rubber

(a)

Which of these materials is an electrical conductor?

Choose your answer

Paper

Plastic

Silver

Wood

512 markshard

5 marks

(a)

A shopping centre has escalators to move people between floors.

14-2-1a

A man of mass 78 kg steps on to an escalator. The escalator lifts him a height of 5.0 m.

(i) State the equation linking gravitational potential energy, mass, g and height.

(1 mark)

(ii) Show that the gravitational potential energy gained by the man is about 4000 J.

(2 marks)

(iii) State the work done on the man and give the unit.

(2 marks)

Work done = ............................... Unit ..............................

Your answer

4 marks

(b)

The escalator is powered by a 7.5 kW electric motor.

(i) State the equation linking efficiency, useful energy output and total energy input.

(1 mark)

(ii) The escalator lifts 30 people each minute. Each person has a mass of 78 kg. Calculate the efficiency of the escalator.

(3 marks)

Your answer

3 marks

(c)

Another escalator has an efficiency of 20%. Its input power is 15 kW. Draw a Sankey diagram for this escalator.

Your answer

How did you do?/ 12

61 markmedium

(a)(i)

Which unit is the same as a power of 1 watt?

Choose your answer

1 joule per coulomb (1 J/C)

1 joule per second (1 J/s)

1 newton per square metre (1 N/m²)

1 newton per kilogram (1 N/kg)

74 marksmedium

A rabbit runs across the road in front of a car.

The driver applies the brakes.

1-2

State four factors that affect the chance of the rabbit escaping without being hit.

Your answer

How did you do?/ 4

82 markseasy

(a)

Which of the following is a unit for the moment of a force?

Choose your answer

N m

N/m

N/m²

1 mark

State the principle of moments.

Your answer

How did you do?/ 2

98 marksmedium

6 marks

(a)

A student is playing a game with some empty tins.

2-4-3a

He throws a wet cloth of mass 0.15 kg at the tins. The wet cloth moves at a velocity of 6.0 m/s.

(i) State the equation linking momentum, mass and velocity.

(1 mark)

(ii) Calculate the momentum of the wet cloth and give the unit.

(3 marks)

Momentum = ................................ unit ...................

(iii)

The wet cloth sticks to tin 1.

2-4-3b

The mass of tin 1 is 0.050 kg. The cloth and tin 1 move away together.

Calculate the velocity of the cloth and tin 1.

(2 marks)

Velocity = .......................... m/s

Your answer

2 marks

(b)

The student throws a bigger wet cloth at the remaining tins. This wet cloth sticks to tins 2 and 3 and they move away together.

2-4-3-d

The student concludes

2-4-3d

Do you agree with this conclusion? Explain why.

Your answer

How did you do?/ 8

1010 marksmedium

5 marks

(a)

The Apollo 15 mission landed on the Moon in 1971.

The astronaut David Scott dropped a hammer and a feather.

They were released from rest at the same time and from the same height.

The hammer and the feather landed at the same time.

1-2-sq-q14a

The graph shows how the velocity of the hammer changed with time.

1-2-sq-q14a1

(i) se the graph to calculate the acceleration due to gravity on the Moon.

Give the unit.

(3 marks)

Acceleration = .......... unit .................

(ii) Use the graph to calculate the height the hammer was dropped from.

(2 marks)

Height = .................................... m

Your answer

1 mark

(b)

The gravitational field strength is smaller on the Moon than on the Earth.

Suggest why.

Your answer

4 marks

(c)

If the same experiment is carried out on Earth, air resistance affects both objects.

The feather reaches the ground after the hammer, even though the force of air resistance is smaller on the feather than on the hammer.

Explain why the feather reaches the ground after the hammer.

Your answer

How did you do?/ 10

Appliance

Power in W

Current in A

lamp

0.17

oven

2200

9.6

television

110

1010 marksmedium

5 marks

(a)

The Apollo 15 mission landed on the Moon in 1971.

The astronaut David Scott dropped a hammer and a feather.

They were released from rest at the same time and from the same height.

The hammer and the feather landed at the same time.

1-2-sq-q14a

The graph shows how the velocity of the hammer changed with time.

1-2-sq-q14a1

(i) se the graph to calculate the acceleration due to gravity on the Moon.

Give the unit.

(3 marks)

Acceleration = .......... unit .................

(ii) Use the graph to calculate the height the hammer was dropped from.

(2 marks)

Height = .................................... m

Your answer

1 mark

(b)

The gravitational field strength is smaller on the Moon than on the Earth.

Suggest why.

Your answer

4 marks

(c)

If the same experiment is carried out on Earth, air resistance affects both objects.

The feather reaches the ground after the hammer, even though the force of air resistance is smaller on the feather than on the hammer.

Explain why the feather reaches the ground after the hammer.

Your answer

How did you do?/ 10