plumiWhat determines the rate of energy transfer in a circuit?: OCR GCSE Combined Science B questions
Every OCR GCSE Combined Science B exam question on P3.3 What determines the rate of energy transfer in a circuit?, 2018–2025, with its mark scheme and examiner’s report.
Paper
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Calculations
Q3(c)
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Q3(b)
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Q3(c)
The whole paper ↗Q3(d)
The whole paper ↗Q5(b)(i)
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Q1(c)
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Q4(a)(ii)
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Q4(b)(i)
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Q4(b)(ii)
The whole paper ↗Q7(b)
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Q7(c)
The whole paper ↗Q3(e)
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Q11(a)
The whole paper ↗Q7(a)
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Q7(b)
The whole paper ↗Q7(d)
The whole paper ↗Q1(a)
The whole paper ↗Q4(a)
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Q8(a)
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Q6(b)
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All 34 questions on What determines the rate of energy transfer in a circuit?, as a list
- June 2025, Physics Paper 7 Higher, Q3(c) (2 marks): Electrical appliances in the UK usually contain a fuse but Li finds that the kettle they have bought does not contain one. If the current passing through a fuse
- June 2024, Combined Science Paper 4 Foundation, Q3(b) (3 marks): The table shows data for the remote control. Current (A) 0.1 Potential difference (V) 3.0 Calculate the power of the remote control. Use the Data and Equation S
- June 2024, Combined Science Paper 4 Foundation, Q3(c) (1 mark): The TV uses mains electricity. Electrical power is transmitted through the national grid transmission cables at high voltages. Which row of the table describes
- June 2024, Combined Science Paper 4 Foundation, Q3(d) (1 mark): The TV has a power rating of 110 W. What is the energy transferred by the TV after being on for 2 hours? Use the equation: energy transferred = power × time Tic
- June 2024, Physics Paper 7 Higher, Q5(b)(i) (3 marks): Calculate the total energy transferred by the electric motor. Use: power = potential difference × current and energy transferred = power × time. Total energy tr
- June 2023, Physics Paper 3 Foundation, Q1(c) (1 mark): Which equation shows how to calculate the energy transferred to the filament lamp? Tick (3) one box. energy transferred = charge ÷ potential difference energy t
- June 2023, Physics Paper 3 Foundation, Q4(a)(ii) (3 marks): Calculate the power transferred in the lamp. Use the Equation Sheet. Resistance of lamp = 10 Ω Current through lamp = 0.3 A Power transferred = W [3]
- June 2023, Physics Paper 7 Higher, Q4(b)(i) (3 marks): Calculate the charge that flows through the tube when 7500 J of energy is transferred. Use the Equation Sheet. Charge = C [3]
- June 2023, Physics Paper 7 Higher, Q4(b)(ii) (3 marks): To supply the power to the neon lamp, a transformer uses a 240 V input power supply. The current in the primary coil is 0.2 A. The output potential difference i
- June 2023, Physics Paper 7 Higher, Q7(b) (3 marks): On the fast setting the power transfer in the fan is 46 W. The current is 0.2 A. Calculate the resistance of the fan. Use the Equation Sheet. Resistance = Ω [3]
- June 2023, Physics Paper 7 Higher, Q7(c) (2 marks): On the slow setting the power rating is 11.5 W. Calculate the energy transferred by the fan in 240 s. energy transferred Use the equation: power = time Energy t
- June 2023, Combined Science Paper 8 Higher, Q3(e) (2 marks): The potential difference across the solenoid is 0.95 V. Calculate the work done when 57 C of charge flows through the solenoid. Use the equation: potential diff
- June 2022, Physics Paper 3 Foundation, Q11(a) (1 mark): Which of these statements about the domestic electricity supply in the UK is true? Tick (3) one box. The domestic electricity supply in the UK is d.c. The energ
- June 2022, Combined Science Paper 4 Foundation, Q7(a) (1 mark): The power in the primary coil is equal to the power in the secondary coil. State in what unit is power measured. Unit of power = [1]
- June 2022, Combined Science Paper 4 Foundation, Q7(b) (3 marks): Eve’s circuit has a current of 1.5 A in the primary coil and a potential difference of 2.5 V across the primary coil. A potential difference of 6 V is induced i
- June 2022, Combined Science Paper 4 Foundation, Q7(d) (2 marks): Transformers are used in the transmission of electrical power. Eve uses her data to explain why transmitting power at higher voltages is a more efficient way to
- June 2022, Physics Paper 7 Higher, Q1(a) (1 mark): Which of these statements about the domestic electricity supply in the UK is true? Tick (3) one box. The domestic electricity supply in the UK is d.c. The energ
- June 2022, Physics Paper 7 Higher, Q4(a) (2 marks): What is the power transferred to the resistor? Use the Data Sheet. Explain your answer. Power = W Explanation [2]
- November 2021, Physics Paper 7 Higher, Q8(a) (2 marks): Explain why it is more efficient to use a high voltage. [2]
- November 2020, Physics Paper 7 Higher, Q6(b) (4 marks): Fig. 6.2 shows the circuit diagram for an LED torch. A 1.5 V B Fig. 6.2 The potential difference between points A and B is 1.5 V. How much work is done moving 3
- June 2019, Physics Paper 3 Foundation, Q5(a)(i) (1 mark): Which toy transfers the most energy each second? Put a ring around the correct answer. Car Jumping dog Keyboard Talking doll [1]
- June 2019, Physics Paper 3 Foundation, Q5(a)(ii) (3 marks): When the keyboard is used, 1.6 C of charge flows through the circuit components. Calculate the energy transferred in the circuit. Use the equation: energy trans
- June 2019, Physics Paper 3 Foundation, Q5(b) (3 marks): A battery powered robot needs a potential difference of 9 V and a current of 0.2 A. Calculate the power input required by the robot. Power input = W [3]
- June 2019, Physics Paper 7 Higher, Q1(a) (1 mark): In the National Grid, what is the name of the devices that change the voltage? [1]
- June 2019, Physics Paper 7 Higher, Q1(b) (1 mark): Complete the sentences about the diagram. Use words from the list. You may use each word once, more than once, or not at all. decreased increased unchanged At P
- June 2019, Combined Science Paper 8 Higher, Q4(c)(ii) (4 marks): The galago enclosure is heated by a 3000 W electric heater for 12 hours every day. Calculate the energy transferred to heat the galago enclosure for 7 days. Ene
- June 2018, Physics Paper 3 Foundation, Q4(a) (3 marks): Calculate the current in the heater. The power is 165 W. Use the equation: current = power ÷ voltage Give the units in your answer. Current = units [3]
- June 2018, Physics Paper 3 Foundation, Q4(c)(i) (1 mark): What is the energy store at the start? Tick (✓) one box. Chemical Elastic Gravitational Thermal [1]
- June 2018, Physics Paper 3 Foundation, Q4(c)(ii) (2 marks): Complete these sentences to describe how the energy is transferred in the circuit in Fig. 4.1. Put a ring around the correct answer. The electric current transf
- June 2018, Physics Paper 3 Foundation, Q4(c)(iii) (1 mark): What is the energy store at the end? Tick (✓) one box. Chemical Elastic Gravitational Thermal [1]
- June 2018, Physics Paper 3 Foundation, Q4(d)(i) (1 mark): Write down an equation that links the energy transferred with the power of the heater and the time it is switched on. [1]
- June 2018, Physics Paper 3 Foundation, Q4(d)(ii) (2 marks): The power of the heater is 165 W. Calculate the energy transferred in 60 s. Energy transferred = J [2]
- June 2018, Physics Paper 3 Foundation, Q10 (6 marks): 10* Eve wants to connect an electric pump to the mains electricity supply. She needs a transformer which can supply enough power for an output potential differe
- June 2018, Physics Paper 7 Higher, Q2 (6 marks): 2* Eve wants to connect an electric pump to the mains electricity supply. She needs a transformer which can supply enough power for an output potential differen
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