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Energy transfers: AQA GCSE Combined Science questions

Every AQA GCSE Combined Science exam question on 6.2.4 Energy transfers, 2018–2025, with its mark scheme and examiner’s report.

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3,069 questions

  1. Q03.4

    June 2025 · Physics Paper 1 Higher

    4 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2025 Physics Paper 1 Higher, question 03.4: Figure 3 shows five resistors with the same resistance but different power ratings. Figure 3 The power rating of a resistor is the maximum energy the resistor c

  2. Q05.5

    June 2025 · Physics Paper 1 Higher

    6 marks6.2.4 Energy transfers6.1.1 Energy changes in a system, and the ways energy is stored before and after such changes
    The whole paper ↗
    June 2025 Physics Paper 1 Higher, question 05.5: The potential difference across the laptop circuit is 15 V. The average current in the laptop circuit when it is being used is 4.8 A. The laptop charger provide

  3. Q02.7

    June 2025 · Physics Paper 1 Foundation

    4 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2025 Physics Paper 1 Foundation, question 02.7: In most homes, filament lamps have been replaced with LED bulbs. Table 1 shows information about a filament lamp and an LED bulb. Table 1 Input power in watts B

  4. Q04.3

    June 2025 · Physics Paper 1 Foundation

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2025 Physics Paper 1 Foundation, question 04.3: and 04.4. 0 4 . 3 Write down the equation that links current (I), potential difference (V) and power (P). [1 mark]

  5. Q04.4

    June 2025 · Physics Paper 1 Foundation

    4 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2025 Physics Paper 1 Foundation, question 04.4: The power of the heating element in the kettle is 2100 W. The potential difference across the heating element is 230 V. Calculate the current in the heating ele

  6. Q04.7

    June 2025 · Physics Paper 1 Foundation

    2 marks6.1.2 Conservation and dissipation of energy6.2.4 Energy transfers
    The whole paper ↗
    June 2025 Physics Paper 1 Foundation, question 04.7: Explain one advantage of electrical appliances having a high efficiency. [2 marks]

  7. Q01.1

    June 2024 · Physics Paper 1 Higher

    2 marks6.2.4 Energy transfers6.1.2 Conservation and dissipation of energy
    The whole paper ↗
    June 2024 Physics Paper 1 Higher, question 01.1: Give two energy stores that increase when the whisk is switched on. [2 marks] 1 2

  8. Q01.4

    June 2024 · Physics Paper 1 Higher

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Higher, question 01.4: and 01.5. 0 1 . 4 Which equation links current (I), power (P) and resistance (R)? [1 mark] Tick () one box. P = I R2 P = I R2 P = I2 R P = I2 R

  9. Q01.5

    June 2024 · Physics Paper 1 Higher

    3 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Higher, question 01.5: The current in the whisk is 500 mA. The resistance of the whisk is 640 Ω. Calculate the power of the whisk. [3 marks] Power = W

  10. Q01.7

    June 2024 · Physics Paper 1 Higher

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Higher, question 01.7: Changing the beater speed does not change the potential difference between the live wire and neutral wire. The power input to the whisk changes because the curr

  11. Q01.3

    June 2024 · Physics Paper 1 Foundation

    2 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Foundation, question 01.3: Calculate the power of lamp X. Use the equation: power = potential difference × current [2 marks] Power = W

  12. Q06.1

    June 2024 · Physics Paper 1 Foundation

    2 marks6.2.4 Energy transfers6.1.2 Conservation and dissipation of energy
    The whole paper ↗
    June 2024 Physics Paper 1 Foundation, question 06.1: Give two energy stores that increase when the whisk is switched on. [2 marks] 1 2

  13. Q06.4

    June 2024 · Physics Paper 1 Foundation

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Foundation, question 06.4: and 06.5. 0 6 . 4 Which equation links current (I), power (P) and resistance (R)? [1 mark] Tick () one box. P = I R2 P = I R2 P = I2 R P = I2 R

  14. Q06.5

    June 2024 · Physics Paper 1 Foundation

    3 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Foundation, question 06.5: The current in the whisk is 500 mA. The resistance of the whisk is 640 Ω. Calculate the power of the whisk. [3 marks] Power = W

  15. Q06.7

    June 2024 · Physics Paper 1 Foundation

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2024 Physics Paper 1 Foundation, question 06.7: Changing the beater speed does not change the potential difference between the live wire and neutral wire. The power input to the whisk changes because the curr

  16. Q03.1

    June 2023 · Physics Paper 1 Higher

    3 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2023 Physics Paper 1 Higher, question 03.1: Explain how transformer X increases the efficiency of the National Grid. [3 marks]

  17. Q03.2

    June 2023 · Physics Paper 1 Higher

    3 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2023 Physics Paper 1 Higher, question 03.2: The potential difference across the primary coil in transformer Y is 400 000 V. The potential difference across the secondary coil is 11 000 V. The current in t

  18. Q03.5

    June 2023 · Physics Paper 1 Higher

    4 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2023 Physics Paper 1 Higher, question 03.5: When the current in resistor R is 20 mA, the power transferred by resistor R is 6.0 W. Calculate the resistance of resistor R. Use the Physics Equations Sheet.

  19. Q04.6

    June 2023 · Physics Paper 1 Foundation

    1 mark6.2.4 Energy transfers
    The whole paper ↗
    June 2023 Physics Paper 1 Foundation, question 04.6: and 04.7. 0 4 . 6 Write down the equation that links current (I), potential difference (V) and power (P). [1 mark]

  20. Q04.7

    June 2023 · Physics Paper 1 Foundation

    3 marks6.2.4 Energy transfers
    The whole paper ↗
    June 2023 Physics Paper 1 Foundation, question 04.7: The power of the heater is 2900 W. The potential difference across the heater is 230 V. Calculate the current in the heater. [3 marks] Current = A
All 51 questions on Energy transfers, as a list
  1. June 2025, Physics Paper 1 Higher, Q03.4 (4 marks): Figure 3 shows five resistors with the same resistance but different power ratings. Figure 3 The power rating of a resistor is the maximum energy the resistor c
  2. June 2025, Physics Paper 1 Higher, Q05.5 (6 marks): The potential difference across the laptop circuit is 15 V. The average current in the laptop circuit when it is being used is 4.8 A. The laptop charger provide
  3. June 2025, Physics Paper 1 Foundation, Q02.7 (4 marks): In most homes, filament lamps have been replaced with LED bulbs. Table 1 shows information about a filament lamp and an LED bulb. Table 1 Input power in watts B
  4. June 2025, Physics Paper 1 Foundation, Q04.3 (1 mark): and 04.4. 0 4 . 3 Write down the equation that links current (I), potential difference (V) and power (P). [1 mark]
  5. June 2025, Physics Paper 1 Foundation, Q04.4 (4 marks): The power of the heating element in the kettle is 2100 W. The potential difference across the heating element is 230 V. Calculate the current in the heating ele
  6. June 2025, Physics Paper 1 Foundation, Q04.7 (2 marks): Explain one advantage of electrical appliances having a high efficiency. [2 marks]
  7. June 2024, Physics Paper 1 Higher, Q01.1 (2 marks): Give two energy stores that increase when the whisk is switched on. [2 marks] 1 2
  8. June 2024, Physics Paper 1 Higher, Q01.4 (1 mark): and 01.5. 0 1 . 4 Which equation links current (I), power (P) and resistance (R)? [1 mark] Tick () one box. P = I R2 P = I R2 P = I2 R P = I2 R
  9. June 2024, Physics Paper 1 Higher, Q01.5 (3 marks): The current in the whisk is 500 mA. The resistance of the whisk is 640 Ω. Calculate the power of the whisk. [3 marks] Power = W
  10. June 2024, Physics Paper 1 Higher, Q01.7 (1 mark): Changing the beater speed does not change the potential difference between the live wire and neutral wire. The power input to the whisk changes because the curr
  11. June 2024, Physics Paper 1 Foundation, Q01.3 (2 marks): Calculate the power of lamp X. Use the equation: power = potential difference × current [2 marks] Power = W
  12. June 2024, Physics Paper 1 Foundation, Q06.1 (2 marks): Give two energy stores that increase when the whisk is switched on. [2 marks] 1 2
  13. June 2024, Physics Paper 1 Foundation, Q06.4 (1 mark): and 06.5. 0 6 . 4 Which equation links current (I), power (P) and resistance (R)? [1 mark] Tick () one box. P = I R2 P = I R2 P = I2 R P = I2 R
  14. June 2024, Physics Paper 1 Foundation, Q06.5 (3 marks): The current in the whisk is 500 mA. The resistance of the whisk is 640 Ω. Calculate the power of the whisk. [3 marks] Power = W
  15. June 2024, Physics Paper 1 Foundation, Q06.7 (1 mark): Changing the beater speed does not change the potential difference between the live wire and neutral wire. The power input to the whisk changes because the curr
  16. June 2023, Physics Paper 1 Higher, Q03.1 (3 marks): Explain how transformer X increases the efficiency of the National Grid. [3 marks]
  17. June 2023, Physics Paper 1 Higher, Q03.2 (3 marks): The potential difference across the primary coil in transformer Y is 400 000 V. The potential difference across the secondary coil is 11 000 V. The current in t
  18. June 2023, Physics Paper 1 Higher, Q03.5 (4 marks): When the current in resistor R is 20 mA, the power transferred by resistor R is 6.0 W. Calculate the resistance of resistor R. Use the Physics Equations Sheet.
  19. June 2023, Physics Paper 1 Foundation, Q04.6 (1 mark): and 04.7. 0 4 . 6 Write down the equation that links current (I), potential difference (V) and power (P). [1 mark]
  20. June 2023, Physics Paper 1 Foundation, Q04.7 (3 marks): The power of the heater is 2900 W. The potential difference across the heater is 230 V. Calculate the current in the heater. [3 marks] Current = A
  21. June 2022, Physics Paper 1 Higher, Q01.3 (1 mark): What is this network called? [1 mark]
  22. June 2022, Physics Paper 1 Higher, Q01.4 (3 marks): Explain how using step-up transformers makes the network efficient. [3 marks]
  23. June 2022, Physics Paper 1 Higher, Q02.3 (1 mark): and 02.4. 0 2 . 3 Write down the equation linking energy transferred (E), power (P) and time (t). [1 mark]
  24. June 2022, Physics Paper 1 Higher, Q02.4 (3 marks): The electric heater had a power output of 50 watts. Calculate the time taken for the electric element to transfer 4750 joules of energy to the vegetable oil. [3
  25. June 2022, Physics Paper 1 Higher, Q05.2 (5 marks): The student changed the circuit so that the LED emitted light. The current in the circuit was 290 mA The power of the LED was 0.98 W Calculate the potential dif
  26. June 2022, Physics Paper 1 Higher, Q05.4 (6 marks): When the flash unit is used there is a mean potential difference of 200 V across the fluorescent tube. The flash of light lasts for 2.8 × 10–4 s 1.4 J of energy
  27. June 2022, Physics Paper 1 Foundation, Q01.5 (2 marks): Calculate the power of the lamp when the potential difference across the lamp was 4.8 V The current in the lamp was 0.75 A Use the equation: power = potential d
  28. June 2022, Physics Paper 1 Foundation, Q05.3 (1 mark): What is this network called? [1 mark]
  29. June 2022, Physics Paper 1 Foundation, Q05.4 (3 marks): Explain how using step-up transformers makes the network efficient. [3 marks]
  30. June 2022, Physics Paper 1 Foundation, Q06.3 (1 mark): and 06.4. 0 6 . 3 Write down the equation linking energy transferred (E), power (P) and time (t). [1 mark]
  31. June 2022, Physics Paper 1 Foundation, Q06.4 (3 marks): The electric heater had a power output of 50 watts. Calculate the time taken for the electric element to transfer 4750 joules of energy to the vegetable oil. [3
  32. November 2021, Physics Paper 1 Higher, Q01.3 (1 mark): Write down the equation which links energy (E), power (P) and time (t). [1 mark]
  33. November 2021, Physics Paper 1 Higher, Q01.4 (3 marks): The battery was fully charged when it was put into the mobile phone. The battery discharged when the mobile phone was switched on. The average power output of t
  34. November 2021, Physics Paper 1 Higher, Q05.1 (4 marks): The maximum power of the TENS machine is 240 mW. The potential difference across the battery in the TENS machine is 2.5 V. Calculate the maximum current from th
  35. November 2021, Physics Paper 1 Foundation, Q03.5 (2 marks): When the potential difference across a filament lamp was 0.75 V, the current in the filament lamp was 0.16 A. Calculate the power of the filament lamp. Use the
  36. November 2021, Physics Paper 1 Foundation, Q05.3 (1 mark): Write down the equation which links energy (E), power (P) and time (t). [1 mark]
  37. November 2021, Physics Paper 1 Foundation, Q05.4 (3 marks): The battery was fully charged when it was put into the mobile phone. The battery discharged when the mobile phone was switched on. The average power output of t
  38. November 2020, Physics Paper 1 Foundation, Q01.6 (2 marks): Calculate the power dissipated in the 60 cm length of wire. Use the equation: power = potential difference × current [2 marks] Power = W
  39. November 2020, Physics Paper 1 Foundation, Q03.5 (2 marks): The average power transferred to the solar panels by sunlight is 26 000 W Calculate the average energy transferred to the solar panels in 30 seconds. Use the eq
  40. June 2019, Physics Paper 1 Higher, Q03.2 (4 marks): The electric motor in the car is powered by a battery. To charge the battery, the car is plugged into the mains supply at 230 V The power used to charge the bat
  41. June 2019, Physics Paper 1 Higher, Q03.4 (2 marks): The cable used to connect the car to the mains electricity supply has a low resistance. Explain why it is better to use a cable with a low resistance than to us
  42. June 2019, Physics Paper 1 Higher, Q05.1 (2 marks): The heating element of the kettle was connected to the mains supply. Explain why the temperature of the heating element increased. [2 marks]
  43. June 2019, Physics Paper 1 Higher, Q05.2 (1 mark): Give one variable that the student should have controlled. [1 mark]
  44. June 2019, Physics Paper 1 Higher, Q05.3 (1 mark): Suggest why the line on Figure 5 does not go through the origin. [1 mark]
  45. June 2019, Physics Paper 1 Higher, Q05.4 (1 mark): Suggest why the results give a non-linear pattern. [1 mark]
  46. June 2019, Physics Paper 1 Higher, Q05.5 (6 marks): The power of the kettle was 2.6 kW The kettle took 120 seconds to heat 0.80 kg of water from 18 °C to 100 °C Calculate the specific heat capacity of water using
  47. June 2019, Physics Paper 1 Foundation, Q01.5 (2 marks): When the potential difference across the resistor was 0.80 V, the current in the resistor was 0.020 A Calculate the power dissipated by the resistor. Use the eq
  48. June 2019, Physics Paper 1 Foundation, Q01.6 (1 mark): Which other equation can be used to calculate the power dissipated by a resistor? [1 mark] Tick () one box. Power = (current)2 × resistance Power = current (re
  49. June 2019, Physics Paper 1 Foundation, Q02.7 (3 marks): Some homes have solar panels which generate electricity. On a sunny day the potential difference across a solar panel is 31 volts. A charge of 490 coulombs flow
  50. June 2019, Physics Paper 1 Foundation, Q05.3 (2 marks): The toaster is switched on for 120 seconds. The power of the toaster is 850 watts. Calculate the energy transferred by the toaster. Use the equation: energy tra
  51. June 2018, Physics Paper 1 Higher, Q06.3 (6 marks): Calculate the charge that flows through the cell in 1 minute. Each filament lamp has a power of 3 W and a resistance of 12 Ω Write any equations that you use. G

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