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Brian is repairing an old alarm clock. He needs to replace a device that converts the electric current. What device should he use?

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

Answer :

Final answer:

Brian needs to replace the buzzer in the old alarm clock, which converts electric energy into sound. The buzzer is essential for alerting users when the alarm goes off. Other components like the battery and switch serve different purposes but do not create sound.


Explanation:

Understanding the Device in an Alarm Clock

In the context of Brian repairing an old alarm clock, he needs to replace a device that converts electric energy into sound. The correct answer to the question is the buzzer. A buzzer serves as a key component that transforms electric signals into audible sound, alerting users when the alarm goes off.

Here’s a brief overview of each option:

  • Battery: This is the power source that provides electrical energy to the clock but does not convert energy.
  • Buzzer: This is the correct device as it converts electrical energy into sound.
  • Motor: This part converts electrical energy into mechanical motion, often found in clocks with moving hands.
  • Switch: This component controls the flow of electricity but does not convert energy.

Thus, when you think about the part specifically responsible for creating sound in the alarm clock, the buzzer is the crucial device that fulfills this function.


Learn more about alarm clock components here:

https://brainly.com/question/33643653


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