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Magnetic fields (A-level only)

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Question 41

What are the rms values of the secondary voltage and the secondary current?

A

Secondary voltage: 1150 V, Secondary current: 0.36 A

B

Secondary voltage: 46 V, Secondary current: 9.0 A

C

Secondary voltage: 46 V, Secondary current: 10.0 A

D

Secondary voltage: 46 V, Secondary current: 8.1 A

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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