A

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Q. The device used to change the speed of an electric fan is

  • (A) Amplifier
  • (B) Regulator
  • (C) Switch
  • (D) Rectifier
  • Correct Answer - Option(B)
  • Views: 8
  • Filed under category Physics
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Explanation by: Admin
The device used to change the speed of an electric fan is regulator.

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