Waves Vibrations and Oscillations
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What is a buzzer?

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December 26, 2015 4:42AM

A buzzer is any mechanical, electromechanical, electronic, etc. device designed to produce a buzzing sound or vibration when activated. Some examples are:

  • joy buzzer, a mechanical device used for practical jokes that is held in the palm and activated when the jokester shakes hands, causing an unpleasant vibration in the palm of the victim (shown in image above)
  • electric buzzer, an electromechanical device that produces a buzzing noise and activated by connecting to electrical power
  • piezo buzzer, an electronic device using the vibrations of a flat disk of piezoelectric material to produce a buzzing noise and activated by enabling it controlling electronic circuit

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December 26, 2015 2:47AM

A buzzer is something which buzzes, such as a device which makes a buzzing sound when pressed, commonly used in game shows to indicate that a player knows an answer to a question.