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Physics · Oct / Nov 2023 · Paper 11 · Question 34

5054The transformer

A girl makes a simple transformer to illuminate a low voltage lamp. The transformer is shown. [diagram: transformer with to power supply, lamp, rod] What is the material of the rod and what is the type of power supply?

  1. Aplastic; d.c. supply
  2. Bplastic; a.c. supply
  3. Ciron; d.c. supply
  4. Diron; a.c. supply

As printed in the paper

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Correct answer: D. iron; a.c. supply

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