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

  • (A) Amplifier
  • (B) Regulator
  • (C) Switch
  • (D) Rectifier
✅ Correct Answer: (B) Regulator
Explanation: The device used to change the speed of an electric fan is regulator.

Published by Team MCQ Buddy ⭐ 29.09K Points at 13-Apr-2025 08:37 am in Physics

Explanation by: Team MCQ Buddy
The device used to change the speed of an electric fan is regulator.

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