Buzzer and Piezo Buzzer Quiz
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Questions and Answers

What is the main function of a buzzer or beeper?

  • Amplify sound signals
  • Produce light signals
  • Convert sound to audio signal
  • Convert audio signal to sound (correct)

    • How is a piezo buzzer powered?

  • Using piezoelectricity (correct)
  • By electromagnetic induction
  • Through AC voltage
  • Mechanical rotation

    • Who invented piezo buzzers?

  • Korean manufacturers
  • Chinese manufacturers
  • Japanese manufacturers (correct)
  • American manufacturers

    • What type of element drives the piezoelectric buzzer?

    <p>Piezoelectric element</p> Signup and view all the answers

    In a magnetic buzzer, what maintains the ferromagnetic disc in a rest position?

    <p>Magnets around the pole</p> Signup and view all the answers

    What controls the vibrations of the ferromagnetic disc in a magnetic buzzer?

    <p>Weight above the disc</p> Signup and view all the answers

    What distinguishes a buzzer from a beeper?

    <p>A buzzer produces sound through vibration when triggered by electrical currents, while a beeper emits an audible tone.</p> Signup and view all the answers

    Which term specifically refers to the audible tone emitted by pagers and cellular telephones?

    <p>Beeper</p> Signup and view all the answers

    How are buzzers and beepers different from early telephone technology?

    <p>They are more efficient in operation.</p> Signup and view all the answers

    What is the distinguishing factor between buzzers and beepers in terms of their structure?

    <p>Buzzers have moving parts, while beepers do not.</p> Signup and view all the answers

    Which statement accurately describes the historical evolution of buzzers and beepers?

    <p>Mechanical signals were replaced by electronic signals for better efficiency over time.</p> Signup and view all the answers

    Which of the following best characterizes the concept of buzzers and beepers?

    <p>'Beeper' refers to the audible tone produced by communication devices, while 'buzzer' produces sound through vibration when triggered electrically.</p> Signup and view all the answers

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