plumiTransformers and the National Grid: Edexcel GCSE Combined Science questions
Every Edexcel GCSE Combined Science exam question on Transformers and the National Grid (specification points 13.5–13.6, 13.8–13.10), 2018–2025, with its mark scheme and examiner’s report.
Paper
All papers
Exam
All years
Calculations
Q6(d)
The whole paper ↗Q3(b)
The whole paper ↗Q3(c)(i)
The whole paper ↗Q3(c)(ii)
The whole paper ↗Q3(c)(iii)
The whole paper ↗Q3(c)
The whole paper ↗Q1(c)
The whole paper ↗Q1(a)(i)
The whole paper ↗Q1(a)(ii)
The whole paper ↗Q1(a)(iii)
The whole paper ↗Q1(b)
The whole paper ↗Your answerQ1(c)
The whole paper ↗
All 12 questions on Transformers and the National Grid, as a list
- June 2025, Physics Paper 2 Foundation, Q6(d) (6 marks): Figure 10 is a diagram showing a part of the National Grid, used to supply electrical power to homes. overhead power lines 132 000 V 230 V 25 000 V home power s
- June 2023, Physics Paper 2 Foundation, Q3(b) (2 marks): Explain why the National Grid uses high voltages with small currents to transfer electricity from power stations. (2)
- June 2023, Physics Paper 2 Foundation, Q3(c)(i) (2 marks): Calculate the power in the primary coil. Use the equation P = V×I (2) power in the primary coil = W
- June 2023, Physics Paper 2 Foundation, Q3(c)(ii) (2 marks): Calculate the following for the transformer in Figure 7. number of turns in secondary coil number of turns in primary coil (2)
- June 2023, Physics Paper 2 Foundation, Q3(c)(iii) (2 marks): For the transformer in Figure 7, evaluate, in its simplest form, the ratio secondary voltage : primary voltage (2) :
- November 2021, Physics Paper 2 Foundation, Q3(c) (3 marks): A transformer is used to connect a laptop computer to the mains electricity supply. The input voltage to the transformer is 230 V. The output current from the t
- November 2020, Physics Paper 2 Foundation, Q1(c) (2 marks): The transformer in another battery charger has a primary coil and a secondary coil. The voltage across the primary coil = 230 V. The voltage across the secondar
- June 2018, Physics Paper 2 Foundation, Q1(a)(i) (1 mark): Electrical power is generated at (1)
- June 2018, Physics Paper 2 Foundation, Q1(a)(ii) (1 mark): Electricity is transmitted over long distances by transmission lines that are part of (1)
- June 2018, Physics Paper 2 Foundation, Q1(a)(iii) (1 mark): Electricity is transmitted at high voltages so that (1)
- June 2018, Physics Paper 2 Foundation, Q1(b) (1 mark): Which statement is true for transformers? (1) A Transformers can only step-up voltages. B Transformers can only step-down voltages. C Transformers can work with
- June 2018, Physics Paper 2 Foundation, Q1(c) (2 marks): In a small transformer ● the primary voltage is 230 V ● the primary current is 0.020 A ● the secondary voltage is 5.0 V Calculate the secondary current. Use the
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