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Magnetic fields (A-level only)

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Question 23

What are the primary current and the secondary voltage?

A

Primary current = 3.0 A3.0\text{ A}3.0 A, Secondary voltage = 400 V400\text{ V}400 V

B

Primary current = 2.4 A2.4\text{ A}2.4 A, Secondary voltage = 400 V400\text{ V}400 V

C

Primary current = 1.92 A1.92\text{ A}1.92 A, Secondary voltage = 400 V400\text{ V}400 V

D

Primary current = 3.0 A3.0\text{ A}3.0 A, Secondary voltage = 1.0 MV1.0\text{ MV}1.0 MV

Markscheme

Magnetic fields (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Magnetic fields (A-level only)

66 exam-style questions on AQA A Level Physics Magnetic fields (A-level only), covering Magnetic flux density (A-level only), Moving charges in a magnetic field (A-level only), Magnetic flux and flux linkage (A-level only), Electromagnetic induction (A-level only), Alternating currents (A-level only), and The operation of a transformer (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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