Electricity, circuits and static electricity (topics 10–11)
From Paper 2, Higher
24 marks
Describe the I–V characteristics of a filament lamp and a diode.
From Paper 2, Higher
73 marks
A 2.5 kW appliance is used for 3 hours. Electricity costs 28p per kWh. Calculate the cost.
From Paper 2, Higher
123 marks
A 0.1 kW appliance is used for 10 hours. Electricity costs 30p per kWh. Calculate the cost.
From Paper 2, Higher
172 marks
Calculate the power dissipated when a current of 3 A flows through 20 Ω.
From Paper 2, Higher
222 marks
Calculate the power dissipated when a current of 0.5 A flows through 400 Ω.
From Paper 2, Higher
263 marks
Describe the functions of the live, neutral and earth wires in a UK plug.
From Paper 2, Higher
293 marks
Explain how a thermistor can be used to switch on a heater when it gets cold.
From Paper 2, Higher
323 marks
Explain how rubbing a balloon on a jumper gives the balloon a charge.
From Paper 2, Higher
343 marks
Explain why the National Grid uses high voltages for transmission.
From Paper 2, Higher
361 mark
What is the unit of potential difference?
Score 0 / 27 · 0 of 10 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.