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Physics · Oct / Nov 2020 · Paper 12 · Question 34

5054The a.c. generator

What is used with a magnet to create an induced electromotive force (e.m.f.) in a simple a.c. generator?

  1. Aa battery
  2. Ba coil of wire
  3. Ca voltmeter
  4. Da relay

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Correct answer: B. a coil of wire

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