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Physics · May / June 2016 · Paper 11 · Question 33

5054Electrical safety

A lamp is connected to the a.c. mains supply in series with a switch and a fuse. Which circuit shows these components wired correctly?

  1. Alive — fuse — neutral; switch in neutral side, lamp at bottom
  2. Blive — switch — neutral; fuse in neutral side, lamp at bottom
  3. Clive — fuse — neutral; switch in live side, lamp at bottom
  4. Dlive — fuse — neutral; switch in neutral side, lamp at bottom

As printed in the paper

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Correct answer: C. live — fuse — neutral; switch in live side, lamp at bottom

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