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

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Question 14
H

The coil of an alternator is rotated twice as fast. How does the trace on the oscilloscope change?

[1]
A

The peak potential difference doubles and the frequency doubles

B

The peak potential difference doubles and the frequency is unchanged

C

The peak potential difference is unchanged and the frequency doubles

D

The peak potential difference halves and the frequency doubles

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)

40 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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