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Physics · Oct / Nov 2025 · Paper 11 · Question 35

5054The transformer

A student uses a simple iron-cored transformer. The primary coil has 250 turns. The secondary coil has 200 turns. The input voltage to the primary coil is 12 V. What is the output voltage?

  1. A0.069 V
  2. B0.11 V
  3. C9.6 V
  4. D15 V

As printed in the paper

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Correct answer: C. 9.6 V

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