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What are magnetic fields?: OCR GCSE Physics B questions

Every OCR GCSE Physics B exam question on P3.5 What are magnetic fields?, 2018–2025, with its mark scheme and examiner’s report.

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1,376 questions

  1. Q1(a)(i)

    June 2025 · Paper 1 Foundation

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  2. Q1(a)(ii)

    June 2025 · Paper 1 Foundation

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  3. Q1(a)(iii)

    June 2025 · Paper 1 Foundation

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  4. Q1(b)

    June 2025 · Paper 1 Foundation

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  5. Q1(c)

    June 2025 · Paper 1 Foundation

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  6. Q6(a)

    June 2025 · Paper 3 Higher

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    The start of question 6
  7. Q1(a)

    June 2024 · Paper 2 Foundation

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  8. Q1(b)(i)

    June 2024 · Paper 2 Foundation

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  9. Q1(b)(ii)

    June 2024 · Paper 2 Foundation

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  10. Q1(c)

    June 2024 · Paper 2 Foundation

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  11. Q7

    June 2024 · Paper 2 Foundation

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  12. Q3

    June 2023 · Paper 2 Foundation

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  13. Q6(a)

    June 2023 · Paper 4 Higher

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  14. Q6(b)

    June 2023 · Paper 4 Higher

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  15. Q6(c)(i)

    June 2023 · Paper 4 Higher

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  16. Q6(c)(ii)

    June 2023 · Paper 4 Higher

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  17. Q6(c)(iii)

    June 2023 · Paper 4 Higher

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  18. Q6(c)(iv)

    June 2023 · Paper 4 Higher

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  19. Q4(a)(i)

    June 2022 · Paper 1 Foundation

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  20. Q4(a)(ii)

    June 2022 · Paper 1 Foundation

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All 44 questions on What are magnetic fields?, as a list
  1. June 2025, Paper 1 Foundation, Q1(a)(i) (1 mark): Which of these is a correct description of the nail? Tick (✓) one box. Electromagnet Induced magnet Permanent magnet [1]
  2. June 2025, Paper 1 Foundation, Q1(a)(ii) (1 mark): What happens to the paper clip when the bar magnet is taken away? Tick (✓) one box. It becomes a permanent magnet. It falls off the nail. It stays permanently a
  3. June 2025, Paper 1 Foundation, Q1(a)(iii) (1 mark): Paperclips can be made from different metals. Which two of these metals could the paperclip in this experiment be made from? Tick (✓) two boxes. Copper Nickel S
  4. June 2025, Paper 1 Foundation, Q1(b) (3 marks): The diagram shows the magnetic field around a bar magnet. S N Complete the table to show the property of a magnetic field that is shown by each feature of the d
  5. June 2025, Paper 1 Foundation, Q1(c) (2 marks): Explain why a magnetic compass can be used to support the idea that the Earth’s core is magnetic. [2]
  6. June 2025, Paper 3 Higher, Q6(a) (2 marks): Draw four lines to show the magnetic field of the permanent magnet on Fig. 6.2. Include arrows to show the direction of the magnetic field of the permanent magn
  7. June 2024, Paper 2 Foundation, Q1(a) (1 mark): Which metal can be used to make a permanent magnet? Tick (✓) one box. Aluminium Copper Steel [1]
  8. June 2024, Paper 2 Foundation, Q1(b)(i) (1 mark): The diagram shows a paperclip being brought close to the S-pole of a magnet. N S X What happens? Tick (✓) one box. Point X is attracted to the S-pole. Point X i
  9. June 2024, Paper 2 Foundation, Q1(b)(ii) (1 mark): The magnet is turned so the paperclip is now brought close to the N-pole of the magnet. S N X What happens? Tick (✓) one box. Point X is attracted to the N-pole
  10. June 2024, Paper 2 Foundation, Q1(c) (2 marks): A magnetic compass consists of a magnetic pointer that can rotate freely. Describe how a compass can be used to show that the core of the Earth is magnetic. [2]
  11. June 2024, Paper 2 Foundation, Q7 (6 marks): 7* A student builds an electromagnet by wrapping a wire around an iron bar. Iron bar Variable power Nine turns supply of wire A 5 g iron massholder 10 g mass Th
  12. June 2023, Paper 2 Foundation, Q3 (2 marks): Anika has a magnet and three bars made of unknown metals. She places the same end of each bar next to each pole of the magnet as shown. Bar 1 moves towards S N
  13. June 2023, Paper 4 Higher, Q6(a) (2 marks): The magnet hangs horizontally and can rotate freely. Explain why the magnet will always come to rest lying in the same direction. [2]
  14. June 2023, Paper 4 Higher, Q6(b) (2 marks): Sara has a second magnet with the north and south poles labelled. She brings it up close to the suspended magnet in Fig. 6.1. Explain how she can identify the p
  15. June 2023, Paper 4 Higher, Q6(c)(i) (3 marks): Suggest a method Sara uses to observe the pattern of the magnetic field. [3]
  16. June 2023, Paper 4 Higher, Q6(c)(ii) (1 mark): Draw an arrow on Fig. 6.2 to show the direction of the magnetic field. [1]
  17. June 2023, Paper 4 Higher, Q6(c)(iii) (1 mark): Describe how the field lines in Fig. 6.2 show that the strength of the magnetic field decreases as the distance from the wire increases. [1]
  18. June 2023, Paper 4 Higher, Q6(c)(iv) (2 marks): Sara increases the size of the current in the wire. Explain how the pattern of the field lines changes. [2]
  19. June 2022, Paper 1 Foundation, Q4(a)(i) (2 marks): Complete the following sentences about the paperclips. Use words from the list. copper hard induced iron permanent zinc When the magnet is close to the papercli
  20. June 2022, Paper 1 Foundation, Q4(a)(ii) (1 mark): Describe the difference between a permanent and an induced magnet. [1]
  21. June 2022, Paper 1 Foundation, Q4(b)(i) (1 mark): Kai evaluates the quality of his data in the table. Kai I don’t think that my data is precise. Explain why Kai is correct. [1]
  22. June 2022, Paper 1 Foundation, Q4(b)(ii) (1 mark): Describe the pattern in Kai’s data. [1]
  23. June 2022, Paper 1 Foundation, Q4(c) (1 mark): Kai decides to investigate the strength of electromagnets. He builds an electromagnet by wrapping a coil of wire around an iron core. How could Kai increase the
  24. June 2022, Paper 2 Foundation, Q6 (6 marks): 6* Azmi builds a circuit to investigate how the strength of a magnetic field produced by an electromagnet affects the number of metal pins attracted to it. He c
  25. November 2021, Paper 2 Foundation, Q9(a)(i) (2 marks): When the switch is closed a current flows in the circuit and creates a magnetic field around the coil of wire. Describe how to investigate the pattern of the ma
  26. November 2021, Paper 2 Foundation, Q9(a)(ii) (2 marks): Amaya makes the following suggestion about the electromagnet. I can make the electromagnet stronger by placing a cardboard cylinder inside the coil of wire. Exp
  27. November 2021, Paper 2 Foundation, Q9(b)(i) (2 marks): Explain why the electromagnet needs to be brought closer to the scrap metal to pick the scrap metal up. [2]
  28. November 2020, Paper 2 Foundation, Q2(a) (2 marks): The table shows the possible positions of the north and south poles for the two bar magnets. Complete the table to show the expected results for the investigati
  29. November 2020, Paper 2 Foundation, Q2(b)(i) (1 mark): Draw four arrows on Fig. 2.2 to show the direction of the magnetic field around the bar [1] magnet.
  30. November 2020, Paper 2 Foundation, Q2(b)(ii) (2 marks): Complete the sentence about Jamal's observations. Use words from the list. You can use each word once, more than once, or not at all. closer together further ap
  31. November 2020, Paper 2 Foundation, Q2(c) (1 mark): Which statement about magnetism is correct? Tick (v) one box. An induced magnet loses its magnetism when removed from a magnetic field. A permanent magnet loses
  32. November 2020, Paper 4 Higher, Q10(a)(i) (3 marks): When Ben connects the loudspeaker to his mobile phone and plays music, the sound produced is very quiet, even on the phone's maximum volume. Ben You can make th
  33. November 2020, Paper 4 Higher, Q10(b) (4 marks): Ben removes the battery shown in Fig. 10.2 from his mobile phone, and connects the battery directly to the coil of wire. No sound is produced. @ BATTERY PACK ca
  34. June 2019, Paper 1 Foundation, Q4(a) (3 marks): On the diagram in Fig. 4.2, draw the pattern of magnetic field lines that James should expect to find. Draw at least three magnetic field lines and include arro
  35. June 2019, Paper 1 Foundation, Q4(b)(i) (1 mark): Explain why the magnetic field is weak at the edge of the card. [1]
  36. June 2019, Paper 1 Foundation, Q4(b)(ii) (1 mark): Describe one change that James could make to increase the strength of the magnetic field at the edge of the card. [1]
  37. June 2019, Paper 1 Foundation, Q4(c) (1 mark): When the current in the wire is switched off, the compass points north. Explain why the compass points north. [1]
  38. June 2019, Paper 3 Higher, Q7(a)(i) (2 marks): Complete the diagram by drawing the pattern of magnetic field lines around the bar magnet. N S [2]
  39. June 2019, Paper 3 Higher, Q7(a)(ii) (1 mark): Describe where the magnetic field is strongest, and how this is shown by the field lines. [1]
  40. June 2019, Paper 3 Higher, Q7(b) (2 marks): Sarah makes a needle for a compass. She repeatedly moves the needle across the bar magnet until it is magnetised. She then suspends the needle from a thread and
  41. June 2018, Paper 1 Foundation, Q10(a)(i) (1 mark): Where is the field strongest? Tick (3) one box. A B C [1]
  42. June 2018, Paper 1 Foundation, Q10(a)(ii) (1 mark): Where would a magnetic compass point to the right? Tick (3) two boxes. A B C [1]
  43. June 2018, Paper 1 Foundation, Q10(b) (1 mark): The bar magnet can pick up paper clips. An iron bar can also pick up paper clips if it is held next to a bar magnet. bar magnet iron bar S N S N paper clip Desc
  44. June 2018, Paper 1 Foundation, Q10(c) (2 marks): The diagram shows a section through the Earth. The flag marks the position of the geographic north pole of the Earth. The arrow Z shows the point at which a com

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