Maha2001 Maha2001

12-10-2019
Physics

contestada

Can you think of some places where we use electric buzzers

Respuesta :

batsonbiscuit62 batsonbiscuit62

12-10-2019

Answer:

To unlock a door and indicate to the person that the door is now unlocked

Explanation:

Schools all have doors locked. Visitors/parents need to press a button. That creates a buzz sound in the office, secretary presses a button to unlock the door. The person trying to enter the school hears a buzz and the secretary telling them to enter the building.

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