what is microphone? | how it works?

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 What is microphone? | how it’s works?

 

HELLO FRIENDS.

 

Microphone

 

It is a transducer that converts sound to an electrical audio signal.

It consists of two metal plates separated by granules of carbon.

One plate is very thin and faces outward, acting as a diaphragm. When sound waves strike this plate, the pressure on the granules changes, which in turn changes the electrical resistance between the plates.

 

Please note the MIC is polar, The wire which is connected to its outer cover is negative.

 

As name suggest condenser means capacitor, an electronic component which stores energy in the form of an electrostatic field.

The term condenser is actually obsolete but has stuck as the name for this type of microphone, which uses a capacitor to convert acoustical energy into electrical energy.

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