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

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Question 5
H

Figure shows the output of two generators, X and Y. Each output is plotted as potential difference against time.

Figure: Output potential difference against time for two generators, X and Y

image

a.

Give the letter of the output produced by a dynamo. Give a reason for your answer.

[1]
b.

The generator that produced output X is now rotated twice as fast. Describe two changes to output X.

[2]
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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