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Brian is repairing an old alarm clock. He needs to replace a device that converts electric energy into sound energy. Which of these devices should he use?

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

Answer :

Final answer:

Brian should use a buzzer to replace the device that converts electric energy into sound energy in the old alarm clock. This device is specifically designed for this purpose, unlike the other options. By using a buzzer, he can successfully enable the alarm with sound.


Explanation:

Understanding the Device Needed for the Alarm Clock

In the context of the alarm clock that Brian is repairing, he needs a device that converts electric energy into sound energy. The best option among the choices given is a buzzer. Let’s examine the options:

  1. A. Battery: While a battery stores electric energy, it does not convert it into sound energy.
  2. B. Buzzer: A buzzer is specifically designed to convert electric energy into sound energy, making it the most suitable choice.
  3. C. Motor: A motor converts electric energy into mechanical energy, not sound energy.
  4. D. Switch: A switch simply controls the flow of electric energy, rather than converting it.

Therefore, using a buzzer will allow Brian to effectively restore the alarm function of the clock by producing sound when activated.


Learn more about alarm clock repair here:

https://brainly.com/question/43262662


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