How Do Buzzers Work?

Answer

Buzzers work on the principle of electromagnetism. When electricity is connected, it cycles at around 60 Hz. This causes the buzzer to vibrate giving them their name.
3 Additional Answers
Buzzers are very much like sensors. They are designed to 'buzz when prompted. This is done by proper wiring, which connects a push button to the ringer. Once the button is pushed, a flow of electricity triggers the buzzer, and it delivers a buzzing sound to alert home residents.
Buzzers work in much the same way that a switch works. When the electrical circuit is completed the buzzer will sound. When the circuit is broken the buzzer stops.
A buzzer works by using a magnetic coil which is attached to the electrical circuit, and an metal contact. There is a mechanical arm which moves when a button is pressed completing the circuit and causing a buzzing sound.
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