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Brian is repairing an old alarm clock. He needs to replace a device that converts electrical energy into sound. What device should he use?

A. Battery
B. Buzzer
C. Motor
D. Switch

Answer :

Final answer:

Brian needs to replace a device in his alarm clock that converts electric energy into sound. The correct answer is a buzzer, which functions exactly for this purpose. Other options, such as battery, motor, and switch, do not serve this function.


Explanation:

Answer to the Question

In this scenario, Brian is repairing an alarm clock and needs to replace a device that converts electric energy into sound. The correct device for this function is a buzzer.

A buzzer is an electromechanical device that produces sound when an electrical current passes through it. This is different from other options:

  • Battery: Stores electric energy but does not convert it to sound.
  • Motor: Converts electric energy into mechanical energy to perform work, not sound.
  • Switch: Controls the flow of electric energy but does not convert energy into sound.

Thus, the correct answer is the buzzer because it specifically functions to turn electrical energy into sound in devices like alarm clocks.


Learn more about buzzer here:

https://brainly.com/question/40546095


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