plumiMagnetic flux and flux linkage: AQA A‑Level Physics questions
AQA A-Level Physics past-paper questions on 3.7.5.3 Magnetic flux and flux linkage, 2008–2025, with mark schemes and examiner’s reports where available.
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Q04.1
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All 17 questions on Magnetic flux and flux linkage, as a list
- November 2021, Paper 2, Q04.1 (2 marks): The search coil is placed at x = 0.070 m. Show that the magnetic flux linkage through the search coil is about 5 × 10−4 Wb. [2 marks]
- November 2021, Paper 2, Q22 (1 mark): The diagram shows a square coil with its plane parallel to a uniform magnetic field. The coil always remains within the magnetic field. There are four possible
- June 2019, Paper 2, Q05.1 (2 marks): The maximum flux linkage of the coil during its rotation is 1.5 × 10−3 Wb turns. Calculate the number of turns in the coil. [2 marks] number of turns =
- June 2019, Paper 2, Q05.2 (1 mark): Calculate the flux linkage of the coil at the instant shown in Figure 4. [1 mark] flux linkage = Wb turns
- June 2019, Paper 2, Q05.4 (1 mark): Sketch on Figure 6 the variation with time of flux linkage for the same time interval as Figure 5. [1 mark] Figure 6
- June 2018, Paper 2, Q04.4 (2 marks): Figure 7 shows an arrangement for investigating induced emf. Figure 7 As shown, the uniform vertical magnetic field is confined to the gap between the poles of
- June 2017, Paper 2, Q22 (1 mark): A coil with 20 circular turns each of diameter 60 mm is placed in a uniform magnetic field of flux density 90 mT. Initially the plane of the coil is perpendicul
- June 2016, PHYA4 Section A (old spec), Q22 (1 mark): The diagram shows a coil placed in a uniform magnetic field. In the position shown, the angle between the normal to the plane of the coil and the magnetic field
- June 2015, PHYA4 Section B (old spec), Q4(b)(i) (2 marks): Calculate the magnitude of the magnetic flux linkage for the coil. State an appropriate unit for your answer. [2 marks] flux linkage unit
- June 2014, PHYA4 Section A (old spec), Q24 (1 mark): A rectangular coil of area A has N turns of wire. The coil is in a uniform magnetic field, as shown in the diagram. When the coil is rotated at a constant frequ
- June 2013, PHYA4 Section B (old spec), Q5(a)(ii) (2 marks): Calculate the minimum angle, in radians, through which the coil must rotate from its position in Figure 3 for the flux linkage to reach its maximum value. angle
- June 2013, PHYA4 Section B (old spec), Q5(d) (2 marks): The coil has 550 turns and a cross-sectional area of 4.0 × 10–3m2. Calculate the flux density of the uniform magnetic field. flux density T (2 marks) Copyright
- January 2012, PHYA4 Section A (old spec), Q23 (1 mark): A 500 turn coil of cross-sectional area 4.0 × 10–3m2 is placed with its plane perpendicular to a magnetic field of flux density 7.5 × 10–4T. What is the value o
- January 2011, PHYA4 Section A (old spec), Q21 (1 mark): A coil of 50 turns has a cross-sectional area of 4.2 × 10–3m2. It is placed at an angle to a uniform magnetic field of flux density 2.8 × 10–2T, as shown in the
- June 2010, PHYA4 Section B (old spec), Q5(a) (3 marks): The coil has 50 turns and an area of 1.9 × 10–3 m2. The flux density of the magnetic field is 2.8 × 10–2 T. Calculate the flux linkage for the coil when θ is 35
- June 2010, PHYA4 Section B (old spec), Q5(b)(ii) (1 mark): Give the value of the flux linkage for the coil at the positions where the emf has its greatest values. answer = Wb turns (1 mark)
- June 2008, PA04B (2008 spec), Q4(b) (5 marks): 4 (b) The wire is disconnected from the current source and its ends are connected to a sensitive voltmeter. When the wire is moved rapidly, vertically upwards a
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