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7.3 Induced potential, transformers and the National Grid (HT only)

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Question 32

A copper ring with a narrow gap cut in it is held stationary around an electromagnet. The magnetic field through the ring changes continuously.

Which statement describes what is induced in the ring?

[1]
A

A potential difference between the ends of the ring, but no current

B

A potential difference and a current around the ring

C

Neither a potential difference nor a current

D

A current around the ring, but no potential difference

Markscheme

7.3 Induced potential, transformers and the National Grid (HT only) Questions

  1. GCSE
  2. /Physics
  3. /7.3 Induced potential, transformers and the National Grid (HT only)

96 exam-style questions on AQA GCSE Physics 7.3 Induced potential, transformers and the National Grid (HT only), covering 7.3.1 Induced potential (HT only), 7.3.2 Uses of the generator effect (HT only), 7.3.3 Microphones (HT only), and 7.3.4 Transformers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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