Brian is repairing an old alarm clock. He needs to replace a device that converts the electric energy into sound energy. Which of these devices should he use?
A) battery
B)buzzer
C)motor
D)switch

In case of buzzer, the electrical energy gets converted into sound energy as the buzzer is supplied with electricity to produce an alarming sound.

Motor is a device that converts the electrical energy into mechanical energy .

While in case of switch, its just use to complete or break a circuit so as to put on/off any device.

Brian is repairing an old alarm clock. He needs to replace a device that converts the electric energy into sound energy. Which of these devices should he use? A) battery B)buzzer C)motor D)switch

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Brian is repairing an old alarm clock. He needs to replace a device that converts the electric energy into sound energy. Which of these devices should he use?
A) battery
B)buzzer
C)motor
D)switch