A 0.5 kg ball is dropped from 5.0 m. Calculate its speed just before it hits the ground, ignoring air resistance. (g = 9.8 N/kg)
24 marks
Describe the I–V characteristics of a filament lamp and a diode.
33 marks
Describe how to increase the strength of an electromagnet.
43 marks
Explain why doing work on a gas (e.g. pumping a tyre) increases its temperature.
52 marks
Explain why a lubricant can increase the efficiency of a machine.
63 marks
A 50 N load is 0.6 m from a pivot. What force is needed 1 m from the pivot on the other side to balance it?
73 marks
A 2.5 kW appliance is used for 3 hours. Electricity costs 28p per kWh. Calculate the cost.
82 marks
Explain how a moving-coil microphone converts sound into an electrical signal.
93 marks
Explain the difference between specific heat capacity and specific latent heat.
104 marks
Explain the trends in the use of energy resources in the UK over the last 50 years.
112 marks
Calculate the pressure exerted by a force of 600 N on an area of 0.03 m².
123 marks
A 0.1 kW appliance is used for 10 hours. Electricity costs 30p per kWh. Calculate the cost.
133 marks
Explain why a current-carrying wire in a magnetic field experiences a force, and use Fleming's left-hand rule.
143 marks
Describe the arrangement and movement of particles in solids, liquids and gases.
152 marks
Calculate the elastic potential energy stored in a spring of spring constant 250 N/m stretched by 0.08 m.
162 marks
Calculate the pressure exerted by a force of 24 N on an area of 0.002 m².
172 marks
Calculate the power dissipated when a current of 3 A flows through 20 Ω.
183 marks
Explain why transformers only work with alternating current.
193 marks
Interpret a heating curve for water: explain the flat sections.
202 marks
Calculate the elastic potential energy stored in a spring of spring constant 50 N/m stretched by 0.12 m.
213 marks
Explain why the pressure in a liquid increases with depth and calculate the pressure due to water at 12 m depth (density 1000 kg/m³, g = 9.8 N/kg).
222 marks
Calculate the power dissipated when a current of 0.5 A flows through 400 Ω.
232 marks
A transformer is 100% efficient. The primary current is 0.5 A at 230 V and the secondary voltage is 11.5 V. Calculate the secondary current.
243 marks
Explain why a hot drink cools more slowly in a vacuum flask.
253 marks
Explain why an object floats.
263 marks
Describe the functions of the live, neutral and earth wires in a UK plug.
273 marks
Explain how a loudspeaker produces sound.
283 marks
Draw/describe a scale drawing to find the resultant of forces of 6 N north and 8 N east.
293 marks
Explain how a thermistor can be used to switch on a heater when it gets cold.
303 marks
Explain why the Earth's magnetic field suggests its core is magnetic and how a compass works.
313 marks
Explain the difference between mass and weight.
323 marks
Explain how rubbing a balloon on a jumper gives the balloon a charge.
333 marks
Explain how a lever can act as a force multiplier.
343 marks
Explain why the National Grid uses high voltages for transmission.
353 marks
Explain how gears can increase the turning effect of a motor.
361 mark
What is the unit of potential difference?
Finished?
Answer every question to finish (36 left), or finish when the time’s up.
Score 0 / 100 · 0 of 36 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.
Edexcel GCSE Physics Mock Exam: Paper 2, Higher | Plasmo