How+does+a+microphone+work?


 * __HOW DOES A MICROPHONE WORK?__**

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A general microphone works by a basic principle of electromagnets. Inside the microphone there is a metal coil wrapped around, but not touching a magnet. The incoming audio signals vibrate the coil making a current in the magnet. the current is then channeled into the wire.

http://www.mediacollege.com/audio/microphones/dynamic.html

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