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Physics · Oct / Nov 2022 · Paper 12 · Question 35

5054The a.c. generator

A coil of wire is rotated at a constant rate between the poles of a U-shaped magnet. The two ends of the coil are connected to different slip rings. Which graph shows how the voltage V between the slip rings varies with time t?

  1. Agraph A
  2. Bgraph B
  3. Cgraph C
  4. Dgraph D

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Correct answer: C. graph C

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