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Physics · May / June 2022 · Paper 11 · Question 37

5054The transformer

The diagram shows the circuit for a model power line with two transformers and a lamp at the output. What is the input voltage?

  1. A0.12 V
  2. B6.0 V
  3. C12 V
  4. D96 V

As printed in the paper

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Correct answer: C. 12 V

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