Simple circuits: OCR GCSE Physics A questions

Every OCR GCSE Physics A exam question on P3.2 Simple circuits, 2018–2025, with its mark scheme and examiner’s report.

All 179 questions on Simple circuits, as a list

June 2025, Paper 1 Foundation, Q1 (1 mark): Which component gives out light? A B C D Your answer [1]
June 2025, Paper 1 Foundation, Q6 (1 mark): There is a current of 50 mA in a wire for 250 s. What is the charge flow? Use the equation: charge flow = current × time A 5.0 C B 12.5 C C 5000 C D 12 500 C Yo
June 2025, Paper 1 Foundation, Q11 (1 mark): Which is the current–potential difference (I–V) characteristic graph for a diode? A B I I V V C D I I V V Your answer [1]
June 2025, Paper 1 Foundation, Q14 (1 mark): A student connects identical resistors together. Which combination of resistors has the lowest resistance? A B C D Your answer [1]
June 2025, Paper 1 Foundation, Q21(b) (4 marks): The power of the motor of another lift is 920 W. The potential difference across the motor of this lift is 230 V. Calculate the current in the motor. Use the Eq
June 2025, Paper 1 Foundation, Q22(a)(i) (3 marks): The student connects an ammeter and a voltmeter into the circuit to take the measurements needed for their investigation. Draw one ammeter and one voltmeter in
June 2025, Paper 1 Foundation, Q22(a)(ii) (1 mark): Why does the student use a variable resistor in the circuit? Tick (✓) one box. To change the current in the circuit To change the potential difference of the ba
June 2025, Paper 1 Foundation, Q22(a)(iii) (1 mark): Explain why the student switches the circuit off between taking the readings of current and potential difference. [1]
June 2025, Paper 1 Foundation, Q22(b)(i) (2 marks): Describe the trend shown by the graph. [2]
June 2025, Paper 1 Foundation, Q22(b)(ii) (1 mark): How does the resistance of the thermistor change as the potential difference increases? [1]
June 2025, Paper 1 Foundation, Q22(b)(iii) (1 mark): State the current in the thermistor when the potential difference across the thermistor is 8.0 V. Use the graph. Current = A [1]
June 2025, Paper 1 Foundation, Q22(b)(iv) (3 marks): Calculate the resistance of the thermistor when the potential difference across the thermistor is 8.0 V. Use the equation: potential difference = current × resi
June 2025, Paper 3 Higher, Q10 (1 mark): A teacher makes a parallel circuit with a battery, a lamp and an LDR. P Q The battery has a fixed potential difference. The light intensity is increased. Which
June 2025, Paper 3 Higher, Q16(a)(i) (3 marks): The student connects an ammeter and a voltmeter into the circuit to take the measurements needed for their investigation. Draw one ammeter and one voltmeter in
June 2025, Paper 3 Higher, Q16(a)(ii) (1 mark): Why does the student use a variable resistor in the circuit? Tick (✓) one box. To change the current in the circuit To change the potential difference of the ba
June 2025, Paper 3 Higher, Q16(a)(iii) (1 mark): Explain why the student switches the circuit off between taking the readings of current and potential difference. [1]
June 2025, Paper 3 Higher, Q16(b)(i) (2 marks): Describe the trend shown by the graph. [2]
June 2025, Paper 3 Higher, Q16(b)(ii) (1 mark): How does the resistance of the thermistor change as the potential difference increases? [1]
June 2025, Paper 3 Higher, Q16(b)(iii) (1 mark): State the current in the thermistor when the potential difference across the thermistor is 8.0 V. Use the graph. Current = A [1]
June 2025, Paper 3 Higher, Q16(b)(iv) (3 marks): Calculate the resistance of the thermistor when the potential difference across the thermistor is 8.0 V. Use the equation: potential difference = current × resi
June 2025, Paper 3 Higher, Q20(a) (1 mark): Draw an arrow on the circuit to show the direction of electron flow. [1]
June 2025, Paper 3 Higher, Q20(b) (1 mark): How does the current at point A in the circuit compare to the current at point B in the circuit? Tick (✓) one box. Current at point A > current at point B Curre
June 2025, Paper 3 Higher, Q20(c) (4 marks): Calculate the charge flow in the lamp when there is a current of 0.45 A for 30 s. Include the unit. Use the Equation Sheet. Charge flow = Unit [4]
June 2025, Paper 3 Higher, Q20(d) (1 mark): Apart from current and time, which other quantity is needed to calculate the energy transferred by the lamp? Use the Equation Sheet. [1]
June 2025, Paper 3 Higher, Q23(c) (4 marks): The power of a different portable freezer is 240 W. The components in the freezer have a total resistance of 0.80 Ω. Calculate the current in the freezer. Use t
June 2024, Paper 1 Foundation, Q2 (1 mark): A student makes an electrical circuit. R P 1Ω 1Ω The current at point P in the circuit is 2 A. What is the current at point R? A 0 A B 1 A C 2 A D 4 A [1] Your
June 2024, Paper 1 Foundation, Q5 (1 mark): A current-potential difference graph of an electrical component is shown. Current 0 Potential difference Which row describes the type of graph and identifies th
June 2024, Paper 1 Foundation, Q6 (1 mark): A student makes a circuit to measure the current in a thermistor and the potential difference across it. Which circuit is correct? A B A V V A C D A A V V Your
June 2024, Paper 1 Foundation, Q17(a) (1 mark): Which switch or switches does the student close so that only lamp Q lights up? [1]
June 2024, Paper 1 Foundation, Q17(b) (1 mark): Which switch or switches does the student close so that only lamp R lights up? [1]
June 2024, Paper 1 Foundation, Q17(c) (1 mark): The switches are closed so that both lamp Q and lamp R light up. Which sentence describes the brightness of lamp Q and lamp R? Tick (✓) one box. Both lamps are
June 2024, Paper 1 Foundation, Q17(d) (1 mark): Explain your answer to (c). [1]
June 2024, Paper 1 Foundation, Q17(e) (3 marks): Complete the sentences to explain what happens to the resistance of the metal wire inside the filament lamp when the current increases. Use words or phrases fro
June 2024, Paper 1 Foundation, Q18(b) (3 marks): Static electricity can build up in thunderclouds. In one thundercloud the potential difference between the thundercloud and the ground is 5.0 × 108 V. When ligh
June 2024, Paper 1 Foundation, Q18(c) (3 marks): Calculate the charge flow in a circuit when there is a current of 15 A for 2 minutes. Use the equation: charge flow = current × time Charge flow = C [3]
June 2024, Paper 2 Foundation, Q19(a)(ii) (2 marks): There is a potential difference of 3000 V across the tube. A charge of 0.08 C flows in the tube. Calculate the energy transferred. Use the equation: energy tran
June 2024, Paper 2 Foundation, Q19(a)(iii) (1 mark): A special power supply is needed to provide the high potential difference of 3000 V. Describe one risk of using this power supply. [1]
June 2024, Paper 3 Higher, Q3 (1 mark): A student makes a circuit using five identical lamps. T P S Q R A current of 5 A is measured at point P. At which other point in the circuit is the current 5 A?
June 2024, Paper 3 Higher, Q9 (1 mark): In which circuit will both lamps light up? A B C D Your answer [1]
June 2024, Paper 3 Higher, Q18(b) (2 marks): Which conditions are needed for charge to flow? Tick (✓) two boxes. closed circuit open circuit source of potential difference source of resistance [2]
June 2024, Paper 3 Higher, Q18(c) (4 marks): A student has written two sentences about the resistance of different electrical components. The resistance of a filament lamp is so high in one direction, that
June 2024, Paper 3 Higher, Q18(d) (3 marks): Calculate the current in a 180 W resistor when the potential difference across the resistor is 12 V. Use the equation: power = potential difference × current Cu
June 2024, Paper 3 Higher, Q18(e) (3 marks): Calculate the energy transferred when 20 C of charge moves through a potential difference of 12 V. Use the equation sheet. Energy transferred = J [3]
June 2024, Paper 4 Higher, Q14 (1 mark): A student investigates how the power of an appliance changes the current in the live wire. Power (W) Current (A) 70 0.3 160 0.7 600 2.6 900 3.9 1200 5.2 The stu
June 2023, Paper 1 Foundation, Q4 (1 mark): A student connects four circuits using identical cells and identical lamps. Which circuit has the brightest lamps? A B C D [1] Your answer
June 2023, Paper 1 Foundation, Q7 (1 mark): Which circuit diagram shows how the brightness of a lamp is changed using a variable resistor? A B C D Your answer [1]
June 2023, Paper 1 Foundation, Q9 (1 mark): Which row states the correct term used for the rate of flow of charge and a condition for charge to flow in a circuit? Rate of flow of charge Condition for char
June 2023, Paper 1 Foundation, Q12 (1 mark): Which pair of resistors has the greatest total resistance? A 10 k Ω 1 k Ω B 10 k Ω 500 Ω C 1000 Ω 500 Ω D 1000 Ω 1000 Ω [1] Your answer
June 2023, Paper 1 Foundation, Q14 (1 mark): The current in a wire is 5.0 A. What is the charge flow in the wire in 2 minutes? Use the equation: charge flow = current × time A 0.40 C B 2.5 C C 10 C D 600 C
June 2023, Paper 1 Foundation, Q17(a) (2 marks): A student draws current–potential difference (I-V) graphs for three different components. These are shown in Fig. 17.1. Draw one line from each component to its
June 2023, Paper 1 Foundation, Q17(b)(i) (1 mark): State the name of the measuring instrument the student uses to measure the current in the circuit. [1]
June 2023, Paper 1 Foundation, Q17(b)(ii) (2 marks): Draw the circuit symbol for the measuring instrument in (b)(i) in a correct position in Fig. 17.2. [2]
June 2023, Paper 1 Foundation, Q17(b)(iii) (1 mark): State the name of the measuring instrument the student uses to measure the potential difference across component X. [1]
June 2023, Paper 1 Foundation, Q17(b)(iv) (2 marks): Draw the circuit symbol for the measuring instrument in (b)(iii) in a correct position in Fig. 17.3. [2] Fig. 17.3 X
June 2023, Paper 1 Foundation, Q17(c) (3 marks): Component X has a resistance of 6.0 Ω. A current of 4.0 A flows through component X. Calculate the potential difference across component X. Use the Equation She
June 2023, Paper 1 Foundation, Q20(a) (6 marks): (a)* A student investigates the resistance of a thermistor at different temperatures. The student uses a Bunsen burner to heat the water in a beaker to three di
June 2023, Paper 1 Foundation, Q20(b) (2 marks): At one of the temperatures, the current in the thermistor is 300 mA. Fig. 20.3 shows a choice of ammeters that the student can use to measure this current accur
June 2023, Paper 1 Foundation, Q20(c) (2 marks): The graph shows how the resistance changes for a light dependent resistor (LDR). Resistance Light intensity State one use for a light dependent resistor and des
June 2023, Paper 2 Foundation, Q6 (1 mark): An electric lawnmower has this information. The potential difference is 230 V. The current is 7.0 A. What is the power of the electric lawnmower? Use the equati
June 2023, Paper 3 Higher, Q11 (1 mark): An engineer uses a sensing circuit which produces a high output voltage when it gets dark. Which circuit does the engineer use? A B V V C D V V Your answer [1]
June 2023, Paper 3 Higher, Q19(a) (4 marks): The student has made two mistakes when setting up the circuit. Identify the two mistakes and explain how to correct them. Mistake 1 Correction 1 Mistake 2 Corre
June 2023, Paper 3 Higher, Q19(b)(i) (1 mark): State the potential difference when the diode starts to conduct. [1]
June 2023, Paper 3 Higher, Q19(b)(ii) (4 marks): Use the gradient of the graph to calculate a value for the resistance of the diode when it is conducting. Resistance = Ω [4]
June 2023, Paper 3 Higher, Q22(c) (3 marks): The collectors receive 360 C of charge every two minutes. Calculate the current in the collectors. Use the equation: charge flow = current × time Current = A [3
June 2023, Paper 4 Higher, Q7 (1 mark): A teacher plugs an electric kettle into the domestic electricity supply. The kettle has a power rating of 2300 W. What is the current in the kettle? Use the Equ
June 2022, Paper 1 Foundation, Q4 (1 mark): Which graph shows the relationship between temperature and resistance for a NTC thermistor? A B Resistance Resistance Temperature Temperature C D Resistance Res
June 2022, Paper 1 Foundation, Q13 (1 mark): A student sets up an electrical circuit as shown in the diagram. 10 V 5.0 A 3.5 A What is the value of the current flowing through the fixed resistor? A 1.5 A B
June 2022, Paper 1 Foundation, Q17(a) (2 marks): The teacher takes measurements of the current through the filament lamp and the potential difference across it. In which position, J, K or L, should the teacher
June 2022, Paper 1 Foundation, Q17(b) (2 marks): Four students discuss the purpose of the component in this circuit. Student A says: “It is used to change the current flowing in the circuit.” Student B says: “
June 2022, Paper 1 Foundation, Q17(c)(i) (2 marks): Plot the two missing points on Fig. 17.2 and draw a line of best fit. [2]
June 2022, Paper 1 Foundation, Q17(c)(ii) (2 marks): Calculate the power dissipated by the filament lamp when the potential difference is 5.0 V. Use Fig. 17.2 and the equation: power = potential difference × curre
June 2022, Paper 1 Foundation, Q17(c)(iii) (3 marks): Calculate the energy transferred if the filament lamp is used for 2 minutes. Use your answer from (b)(ii) and the equation: energy transferred = power × time En
June 2022, Paper 1 Foundation, Q19 (6 marks): 19* A group of students investigate the resistance of an LDR. The students change the distance between the LDR and the lamp and measure the resistance of the LD
June 2022, Paper 1 Foundation, Q24(a)(i) (3 marks): Calculate the current in the circuit when the switch is open. Use the Data Sheet. Current = A [3]
June 2022, Paper 1 Foundation, Q24(a)(ii) (1 mark): State the potential difference across the resistor when the switch is open. Potential difference = V [1]
June 2022, Paper 1 Foundation, Q24(b)(i) (2 marks): Describe how the current through the resistor changes. Explain your answer. [2]
June 2022, Paper 1 Foundation, Q24(b)(ii) (2 marks): Describe how the potential difference across the resistor changes. Explain your answer. [2]
June 2022, Paper 1 Foundation, Q24(b)(iii) (1 mark): State the potential difference across the lamp when the switch is closed. Potential difference = V [1]
June 2022, Paper 2 Foundation, Q19(c)(i) (3 marks): The power of the water heater is 1840 W. The p.d. of the mains supply is 230 V. Calculate the current in the heating element. Use the equation: power = potentia
June 2022, Paper 2 Foundation, Q19(c)(ii) (2 marks): An engineer says, ‘You should use a water heater with a higher current.’ Suggest two reasons why this is a good idea. 1 2 [2]
June 2022, Paper 3 Higher, Q1 (1 mark): A current of 2 A flows in a circuit. How much charge is transferred in 3 minutes? Use the Data Sheet. A 1.5 C B 6.0 C C 120 C D 360 C Your answer [1]
June 2022, Paper 3 Higher, Q8 (1 mark): A student sets up four arrangements, A, B, C and D, using identical fixed resistors. A B C D Which arrangement has the lowest resistance? Your answer [1]
June 2022, Paper 3 Higher, Q17(a)(i) (3 marks): Calculate the current in the circuit when the switch is open. Use the Data Sheet. Current = A [3]
June 2022, Paper 3 Higher, Q17(a)(ii) (1 mark): State the potential difference across the resistor when the switch is open. Potential difference = V [1]
June 2022, Paper 3 Higher, Q17(b)(i) (2 marks): Describe how the current through the resistor changes. Explain your answer. [2]
June 2022, Paper 3 Higher, Q17(b)(ii) (2 marks): Describe how the potential difference across the resistor changes. Explain your answer. [2]
June 2022, Paper 3 Higher, Q17(b)(iii) (1 mark): State the potential difference across the lamp when the switch is closed. Potential difference = V [1]
June 2022, Paper 3 Higher, Q18 (6 marks): 18* Two students, P and Q, investigate how the resistance of wire varies with its length. Each student uses different lengths of the same wire and the same equi
June 2022, Paper 4 Higher, Q20(a) (2 marks): The student measures current and potential difference to calculate the power of the heater. Complete the circuit diagram in Fig. 20.2 to show how the student me
June 2022, Paper 4 Higher, Q21(c)(iii) (3 marks): Another transformer has a power input of 864 900 W. The current in the primary coil is 1860 A. Calculate the resistance of the primary coil. Use the equation: p
November 2021, Paper 1 Foundation, Q6 (1 mark): A current of 8 A flows in a circuit for 32 seconds. Calculate the charge which flows in the circuit. Use the equation: charge flow = current × time A 0.25 C B 4
November 2021, Paper 1 Foundation, Q14 (1 mark): A teacher sets up a circuit to turn on a heater when the temperature decreases. Which component does the teacher need to use in their circuit? A B C D Your answ
November 2021, Paper 1 Foundation, Q17 (2 marks): A student sets up a circuit using a diode, a lamp and a variable resistor, as shown in Fig. 17.1. Fig. 17.1 Draw a cell in the circuit on Fig. 17.1 so that the
November 2021, Paper 1 Foundation, Q22(a)(iii) (4 marks): The lorry uses a 24 V battery to power the 50 W lift. Calculate the current which flows while the lift is in use. Use the equation: power = potential difference
November 2021, Paper 1 Foundation, Q24(a) (2 marks): The student needs to be able to measure a current of up to 1 A. The student has a choice of two different ammeters to use, ammeter A and ammeter B. Fig. 24.2 sh
November 2021, Paper 1 Foundation, Q24(b)(i) (2 marks): Explain why the student thinks that component Y is a fixed resistor. [2]
November 2021, Paper 1 Foundation, Q24(b)(ii) (1 mark): The student has correctly plotted the point at 10.0 V on the graph. Suggest one reason why the point is not on the line of best-fit. [1]
November 2021, Paper 1 Foundation, Q24(b)(iii) (2 marks): Suggest two ways the student can check if their results are reproducible. 1 2 [2]
November 2021, Paper 1 Foundation, Q24(c) (2 marks): The resistor has a resistance of 10.0 Ω. Calculate the power of the resistor when the current is 0.5 A. Use the equation: power = (current)2 × resistance Power
November 2021, Paper 3 Higher, Q6 (1 mark): In a series circuit a current of 50 µA flows. Which current is the same size as 50 µA? A 50 × 10–6 A B 50 × 10–3 A C 50 × 103 A D 50 × 106 A [1] Your answer
November 2021, Paper 3 Higher, Q13 (1 mark): The diagrams show four different circuits using identical cells and identical lamps. A B C D Which circuit will have the brightest lamps? Your answer [1]
November 2021, Paper 3 Higher, Q17(a) (2 marks): The student needs to be able to measure a current of up to 1 A. The student has a choice of two different ammeters to use, ammeter A and ammeter B. Fig. 17.2 sh
November 2021, Paper 3 Higher, Q17(b)(i) (2 marks): Explain why the student thinks that component Y is a fixed resistor. [2]
November 2021, Paper 3 Higher, Q17(b)(ii) (1 mark): The student has correctly plotted the point at 10.0 V on the graph. Suggest one reason why the point is not on the line of best-fit. [1]
November 2021, Paper 3 Higher, Q17(b)(iii) (2 marks): Suggest two ways the student can check if their results are reproducible. 1 2 [2]
November 2021, Paper 3 Higher, Q17(c) (2 marks): The resistor has a resistance of 10.0 Ω. Calculate the power of the resistor when the current is 0.5 A. Use the equation: power = (current)2 × resistance Power
November 2021, Paper 3 Higher, Q24(a) (1 mark): Draw a line of best fit on the graph. [1]
November 2021, Paper 3 Higher, Q24(b) (2 marks): Use the graph to describe the relationship between current and power for the component. [2]
November 2021, Paper 3 Higher, Q24(c) (1 mark): Use the graph to estimate the current when the power is 3.0 W. Current = A [1]
November 2021, Paper 3 Higher, Q24(d) (3 marks): The student thinks that the resistance of the component increases as the current increases. Use data from the graph to explain if the student is correct. [3]
November 2020, Paper 1 Foundation, Q5 (1 mark): A student sets up four electrical circuits. A B C D Identify in which circuit the lamp will light up. Your answer [1]
November 2020, Paper 1 Foundation, Q10 (1 mark): A student investigates how the resistance of a light dependent resistor (LDR) changes with light intensity. A Resistance 0 Light intensity B Resistance 0 Light
November 2020, Paper 1 Foundation, Q12 (1 mark): Calculate the charge flow when a current of 20 mA flows for 2000 s. Use the equation: charge flow = current × time A 40 C B 100 C C 40 000 C D 100 000 C Your an
November 2020, Paper 1 Foundation, Q14 (1 mark): Which item uses the most power? Use the equation: power = potential difference × current Item Current (A) Potential difference (V) A Calculator 0.1 3 B Mobile P
November 2020, Paper 1 Foundation, Q17(a)(i) (2 marks): The student also needs to add a voltmeter to the circuit. On Fig. 17.1 draw where the voltmeter should be connected. [2]
November 2020, Paper 1 Foundation, Q17(a)(ii) (4 marks): The student takes readings of potential difference and current and records them in Table 17.1. Potential difference Current (V) 1.0 1.000 2.0 1.9 3.0 2.7 4.0 3.
November 2020, Paper 1 Foundation, Q17(a)(iii) (3 marks): Calculate the resistance of the lamp when the potential difference is 4.0 V in Table 17.1. Use the equation: potential difference = current × resistance Resista
November 2020, Paper 1 Foundation, Q17(b)(i) (2 marks): Plot the missing point at 1.0 V on the graph and draw a line of best fit. [2]
November 2020, Paper 1 Foundation, Q17(b)(ii) (2 marks): Describe the relationship between potential difference and current. Use data from the graph to support your answer. [2]
November 2020, Paper 1 Foundation, Q17(b)(iii) (2 marks): Explain how you could use the circuit in Fig. 17.1 to investigate the resistance of a fixed resistor instead of a lamp. [2]
November 2020, Paper 1 Foundation, Q17(b)(iv) (2 marks): Explain how and why the graph in Fig. 17.2 would look different for a fixed resistor at a constant temperature. [2]
November 2020, Paper 1 Foundation, Q20 (6 marks): 20* A student investigates if lamps are brighter in a series circuit or a parallel circuit. He sets up two different circuits, A and B. A B State which circuit
November 2020, Paper 1 Foundation, Q22(c) (3 marks): Calculate the charge when 200 J of energy is transferred with a potential difference of 40 V. Use the equation: energy transferred = charge × potential differen
November 2020, Paper 2 Foundation, Q11 (1 mark): The table shows the current and potential difference for four different lamps. Which lamp has the highest power? Use the equation: power = potential difference
November 2020, Paper 3 Higher, Q16(c) (3 marks): Calculate the charge when 200 J of energy is transferred with a potential difference of 40 V. Use the equation: energy transferred = charge × potential differen
November 2020, Paper 3 Higher, Q19(a) (2 marks): Explain why circuit A has a lower total resistance than circuit B. [2]
November 2020, Paper 3 Higher, Q19(b)(i) (2 marks): Explain why the resistance of a filament lamp increases when current increases. [2]
November 2020, Paper 3 Higher, Q19(b)(ii) (2 marks): Design a circuit diagram which could be used to investigate how the resistance of a filament lamp changes with current. Use the circuit symbols below. Each symb
November 2020, Paper 3 Higher, Q19(b)(iii) (3 marks): Describe how the student would use the circuit you have drawn in 19(b)(ii) to investigate how the resistance of a filament lamp changes with current. [3]
November 2020, Paper 4 Higher, Q21(a)(ii) (4 marks): The mains supply has a potential difference of 230 V. The kettle has a current of 5.0 A. The kettle is switched on for 2.0 minutes. Calculate the total energy t
June 2019, Paper 1 Foundation, Q4 (1 mark): A student investigates how current and potential difference vary in different components. Look at the graphs of her results. A B Current Current 0 0 Potential P
June 2019, Paper 1 Foundation, Q5 (1 mark): A student sets up four different circuits. He uses identical lamps and the same cell. Look at the diagrams of his circuits. A B C D Which circuit has the bright
June 2019, Paper 1 Foundation, Q7 (1 mark): What conditions are needed for charge to flow? A A source of potential difference and two lamps. B A complete circuit and two lamps. C A complete circuit and a
June 2019, Paper 1 Foundation, Q17(a)(i) (3 marks): Write down the three mistakes the student makes. 1 2 3 [3]
June 2019, Paper 1 Foundation, Q17(a)(ii) (1 mark): For one of the mistakes identified in (a)(i) describe how the student can fix the error. [1]
June 2019, Paper 1 Foundation, Q17(b) (4 marks): The student finds that the current is 20 mA when the potential difference is 4.0 V. Calculate the resistance of the unknown resistor. Include the unit for resis
June 2019, Paper 1 Foundation, Q17(c) (3 marks): Calculate the charge that flows when a current of 2.5 A flows for 30 seconds. Charge = C [3]
June 2019, Paper 1 Foundation, Q23(a) (4 marks): Calculate the current in the TV when it is turned on. Use the equation: power = potential difference × current Give your answer to 2 significant figures. Curren
June 2019, Paper 1 Foundation, Q23(b) (4 marks): The TV is turned on for 30 minutes. Calculate the energy transferred by the TV. Energy used = J [4]
June 2019, Paper 2 Foundation, Q24(b) (3 marks): A different TV works with a 12.0 V battery. It has a current of 3.19 A. Calculate the power rating of the TV. Power = W [3]
June 2019, Paper 3 Higher, Q7 (1 mark): A student investigates four different electrical components. She plots current-potential difference graphs for the components. A B Current Current 0 0 Potential
June 2019, Paper 3 Higher, Q9 (1 mark): Look at the circuit diagram. 10.0 A 2.5 A P What is the current at point P in the circuit? A 2.5 A B 5.0 A C 7.5 A D 10.0 A Your answer [1]
June 2019, Paper 3 Higher, Q17(a) (4 marks): Calculate the current in the TV when it is turned on. Use the equation: power = potential difference × current Give your answer to 2 significant figures. Curren
June 2019, Paper 3 Higher, Q17(b) (4 marks): The TV is turned on for 30 minutes. Calculate the energy transferred by the TV. Energy used = J [4]
June 2019, Paper 3 Higher, Q19(a)(i) (2 marks): The student has made two errors connecting the circuit. Identify the errors. 1 2 [2]
June 2019, Paper 3 Higher, Q19(a)(ii) (1 mark): What is the purpose of the component in the circuit? [1]
June 2019, Paper 3 Higher, Q19(b)(i) (3 marks): Calculate the resistance of the LED. Use the equation: potential difference = current × resistance Resistance = Ω [3]
June 2019, Paper 3 Higher, Q19(b)(ii) (4 marks): Calculate the charge which flows when this LED operates for 2.5 minutes. Charge = C [4]
June 2019, Paper 3 Higher, Q19(b)(iii) (2 marks): Calculate the energy transferred when this LED operates for 2.5 minutes. Use the equation: energy transferred = charge × potential difference Energy transferred
June 2019, Paper 4 Higher, Q16(b) (3 marks): A different TV works with a 12.0 V battery. It has a current of 3.19 A. Calculate the power rating of the TV. Power = W [3]
June 2018, Paper 1 Foundation, Q2 (1 mark): Which voltage is the maximum voltage made when four 1.5 V cells are connected in series? A 0 V B 1.5 V C 3.0 V D 6.0 V Your answer [1]
June 2018, Paper 1 Foundation, Q6 (1 mark): This is a circuit. 5A C D 2A B A Which letter A, B, C or D shows the part of the circuit that carries a current of 2 A? Your answer [1]
June 2018, Paper 1 Foundation, Q7 (1 mark): A student has 3 identical resistors. She arranges them in four different ways. A B C D Which arrangement has the most resistance? [1] Your answer
June 2018, Paper 1 Foundation, Q16(b) (2 marks): Here are three different components and their use in the home. Match the component to its correct use. One has been done for you. Component Use LDR Operating a
June 2018, Paper 1 Foundation, Q16(c) (4 marks): A charge of 44 000 C flows through a light bulb. The potential difference is 230 V. Calculate the energy transferred. Use the equation: Charge = Energy ÷ Potent
June 2018, Paper 1 Foundation, Q16(d)(ii) (1 mark): When charges move, a current flows. 2.0 V Y 4.0 A Write down the current flowing at point Y in the circuit. Answer = A [1]
June 2018, Paper 1 Foundation, Q22(a)(i) (1 mark): What is the name of this component? [1]
June 2018, Paper 1 Foundation, Q22(a)(ii) (1 mark): Why is this component needed in this circuit? [1]
June 2018, Paper 1 Foundation, Q22(b)(i) (1 mark): Look at the graph. What is component X in the circuit? [1]
June 2018, Paper 1 Foundation, Q22(b)(ii) (3 marks): The resistance of component X varies as the potential difference changes. Describe how the graph shows this and explain why this happens. [3]
June 2018, Paper 1 Foundation, Q22(c)(i) (2 marks): Calculate the potential difference across component X. Use the equation: Potential difference = Current × Resistance Answer = V [2]
June 2018, Paper 1 Foundation, Q22(c)(ii) (3 marks): Calculate the power of component X when a current of 0.25 A flows. Answer = W [3]
June 2018, Paper 2 Foundation, Q23(d)(i) (4 marks): The domestic wind turbine has an electrical resistance of 23 Ω. It generates a current of 11 A on a windy day. Calculate the power output in kW of the turbine o
June 2018, Paper 3 Higher, Q2 (1 mark): What is the current at point P in the circuit? 15 V 0.5 A 10 Ω 10 Ω 10 Ω P A 0.5 A B 7.5 A C 15.0 A D 20.5 A Your answer [1]
June 2018, Paper 3 Higher, Q16(a)(i) (1 mark): What is the name of this component? [1]
June 2018, Paper 3 Higher, Q16(a)(ii) (1 mark): Why is this component needed in this circuit? [1]
June 2018, Paper 3 Higher, Q16(b)(i) (1 mark): Look at the graph. What is component X in the circuit? [1]
June 2018, Paper 3 Higher, Q16(b)(ii) (3 marks): The resistance of component X varies as the potential difference changes. Describe how the graph shows this and explain why this happens. [3]
June 2018, Paper 3 Higher, Q16(c)(i) (2 marks): Calculate the potential difference across component X. Use the equation: Potential difference = Current × Resistance Answer = V [2]
June 2018, Paper 3 Higher, Q16(c)(ii) (3 marks): Calculate the power of component X when a current of 0.25 A flows. Answer = W [3]
June 2018, Paper 3 Higher, Q18(b)(i) (2 marks): Write down the conditions needed for charge to flow through a conductor. [2]
June 2018, Paper 3 Higher, Q18(b)(ii) (4 marks): Calculate the charge that flows past a point in a circuit with a 5.0 A current for five minutes. Answer = C [4]
June 2018, Paper 3 Higher, Q19(a)(i) (2 marks): Describe the pattern shown by these results. Use data in your answer. [2]
June 2018, Paper 3 Higher, Q19(a)(ii) (2 marks): The students made two mistakes when they recorded their results and completed the table. Identify the mistakes and explain what they should have done. [2]
June 2018, Paper 3 Higher, Q19(a)(iii) (2 marks): The students have correctly handled an error in their results. Identify the error and explain how it was correctly handled. [2]
June 2018, Paper 3 Higher, Q19(a)(iv) (2 marks): The students plan to plot a graph of mean resistance against length. What would you expect a graph of these results to look like? [2]
June 2018, Paper 3 Higher, Q19(b)(i) (2 marks): The actual mean resistance values are more than expected. Suggest two possible errors with the experiment. [2]
June 2018, Paper 3 Higher, Q19(b)(ii) (1 mark): For one of the errors, suggest how the experimental procedure could be improved. [1]
June 2018, Paper 4 Higher, Q16(d)(i) (4 marks): The domestic wind turbine has an electrical resistance of 23 Ω. It generates a current of 11 A on a windy day. Calculate the power output in kW of the turbine o

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