491 bytes added
, 02:58, December 11, 2014
A '''microphone''' or '''mike''' is device that is [[acoustic]] to [[electric]]. It has a [[sensor]] that the [[sound]] in the [[air]] into an [[electrical signal]]. Microphones are used in numerous devices such as [[telephone]]s, [[cellular phone]], [[amateur radio]], [[two-way radio]]s, etc.
==See Also==
* [[Amateur radio]]
==References==
{{reflist}}
[[Category:Electrical Engineering]]
[[Category:Electricity]]
[[Category:Electronics]]
[[Category:Radio]]
[[Category:Amateur Radio]]