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Physics · Oct / Nov 2019 · Paper 11 · Question 37

5054The transformer

The input voltage to a transformer is 24 V a.c. and the output voltage is 6.0 V. The input coil has 720 turns. How many turns are on the output coil?

  1. A5
  2. B180
  3. C2900
  4. D100 000

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Correct answer: B. 180

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