Buzzer and Piezo Buzzer Quiz

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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?

Piezoelectric element Signup and view all the answers

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

Magnets around the pole Signup and view all the answers

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

Weight above the disc Signup and view all the answers

What distinguishes a buzzer from a beeper?

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

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

Beeper Signup and view all the answers

How are buzzers and beepers different from early telephone technology?

They are more efficient in operation. Signup and view all the answers

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

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

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

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

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

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