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Question : Conversion of sound energy into electrical energy is done by:

Option 1: Solar cell

Option 2: Gramophone

Option 3: Microphone

Option 4: Loudspeaker


Team Careers360 17th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: Microphone


Solution : The correct answer is Microphone.

Microphone is a device which is used to record audio and music. It works by converting sound waves into electric signals. It was invented by Emile Berliner in 1877. Later it became the part of telephones invented by Graham Bell which made the long distance communication possible. A microphone records the sound vibrations and translates them into electronic signals which are transmitted over signal or recorded for its future use.

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