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Magnetic fields: OCR A‑Level Physics A questions

Every OCR A-Level Physics A exam question on 6.3.1 Magnetic fields, 2016–2025, with its mark scheme and examiner’s report.

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1,877 questions

  1. Q1(c)

    June 2025 · Paper 3

    2 marks6.3.1 Magnetic fields
    The whole paper ↗
    June 2025 Paper 3, question 1(c): The horizontal current closest to the Earth produces a magnetic field which can be detected at ground level. With reference to Fig. 1.1, state and explain the d

  2. Q2(a)

    June 2025 · Paper 3

    2 marks4.4.4 Stationary waves6.3.1 Magnetic fields
    The whole paper ↗
    June 2025 Paper 3, question 2(a): Explain how a stationary wave is formed on the wire. [2]

  3. Q8

    June 2022 · Paper 2

    1 mark6.3.1 Magnetic fields
    The whole paper ↗
    June 2022 Paper 2, question 8: The diagram below shows two long current-carrying conductors X and Y. X The conductors are parallel to each other. Y experiences a force because it is in the ma

  4. Q19(a)

    November 2021 · Paper 2

    2 marks6.3.1 Magnetic fields
    The whole paper ↗
    November 2021 Paper 2, question 19(a): The diagram below shows the top-view of a long current-carrying wire. wire The direction of the current in the wire is into the plane of the paper. Draw at leas

  5. Q19(b)

    November 2021 · Paper 2

    4 marks6.3.1 Magnetic fields
    The whole paper ↗
    November 2021 Paper 2, question 19(b): The arrangement shown in the diagram below is used to determine the magnetic flux density between the poles of a permanent magnet. S I N magnet top view I curre

  6. Q4(b)(i)

    November 2021 · Paper 3

    2 marks6.3.1 Magnetic fields
    The whole paper ↗
    November 2021 Paper 3, question 4(b)(i): Fig. 4.2 shows one of the coils at a time when the current is in the direction indicated by the arrows. Fig. 4.2 On Fig. 4.2, sketch the magnetic field pattern

  7. Q4

    November 2020 · Paper 2

    1 mark6.3.1 Magnetic fields
    The whole paper ↗
    November 2020 Paper 2, question 4: A student is doing an experiment on the magnetic force experienced by a current-carrying wire in a uniform magnetic field. The magnetic flux density B can be va

  8. Q22(a)

    November 2020 · Paper 2

    3 marks6.3.1 Magnetic fields
    The whole paper ↗
    November 2020 Paper 2, question 22(a): The diagram below shows two long vertical current-carrying wires X and Y. X Y The direction of the current in each wire is the same. Explain why wire Y experien

  9. Q9

    June 2019 · Paper 2

    1 mark6.3.1 Magnetic fields
    The whole paper ↗
    June 2019 Paper 2, question 9: The diagram shows four magnetic compasses placed at the same distance from point X. X Which of the following is most likely to be at point X? A permanent magnet

  10. Q22(a)

    June 2017 · Paper 2

    6 marks6.3.1 Magnetic fields
    The whole paper ↗
    June 2017 Paper 2, question 22(a): (a)* A student conducts an experiment to confirm that the uniform magnetic flux density B between the poles of a magnet is 30 mT. A current-carrying wire of len

  11. Q2(c)(i)

    June 2017 · Paper 3

    1 mark6.3.1 Magnetic fields
    The whole paper ↗
    June 2017 Paper 3, question 2(c)(i): Suggest one reason why this Hall probe is not a suitable instrument to measure the magnetic flux density for the arrangement shown in Fig. 2.2. [1]

  12. Q2(c)(ii)

    June 2017 · Paper 3

    4 marks6.3.1 Magnetic fields
    The whole paper ↗
    June 2017 Paper 3, question 2(c)(ii): Another method of measuring the magnetic flux density for the arrangement shown in Fig. 2.2 is to insert a current-carrying wire between the poles of the magnet
All 12 questions on Magnetic fields, as a list
  1. June 2025, Paper 3, Q1(c) (2 marks): The horizontal current closest to the Earth produces a magnetic field which can be detected at ground level. With reference to Fig. 1.1, state and explain the d
  2. June 2025, Paper 3, Q2(a) (2 marks): Explain how a stationary wave is formed on the wire. [2]
  3. June 2022, Paper 2, Q8 (1 mark): The diagram below shows two long current-carrying conductors X and Y. X The conductors are parallel to each other. Y experiences a force because it is in the ma
  4. November 2021, Paper 2, Q19(a) (2 marks): The diagram below shows the top-view of a long current-carrying wire. wire The direction of the current in the wire is into the plane of the paper. Draw at leas
  5. November 2021, Paper 2, Q19(b) (4 marks): The arrangement shown in the diagram below is used to determine the magnetic flux density between the poles of a permanent magnet. S I N magnet top view I curre
  6. November 2021, Paper 3, Q4(b)(i) (2 marks): Fig. 4.2 shows one of the coils at a time when the current is in the direction indicated by the arrows. Fig. 4.2 On Fig. 4.2, sketch the magnetic field pattern
  7. November 2020, Paper 2, Q4 (1 mark): A student is doing an experiment on the magnetic force experienced by a current-carrying wire in a uniform magnetic field. The magnetic flux density B can be va
  8. November 2020, Paper 2, Q22(a) (3 marks): The diagram below shows two long vertical current-carrying wires X and Y. X Y The direction of the current in each wire is the same. Explain why wire Y experien
  9. June 2019, Paper 2, Q9 (1 mark): The diagram shows four magnetic compasses placed at the same distance from point X. X Which of the following is most likely to be at point X? A permanent magnet
  10. June 2017, Paper 2, Q22(a) (6 marks): (a)* A student conducts an experiment to confirm that the uniform magnetic flux density B between the poles of a magnet is 30 mT. A current-carrying wire of len
  11. June 2017, Paper 3, Q2(c)(i) (1 mark): Suggest one reason why this Hall probe is not a suitable instrument to measure the magnetic flux density for the arrangement shown in Fig. 2.2. [1]
  12. June 2017, Paper 3, Q2(c)(ii) (4 marks): Another method of measuring the magnetic flux density for the arrangement shown in Fig. 2.2 is to insert a current-carrying wire between the poles of the magnet

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