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: [[Microphone]]s use a coil of wire and a [[Permanent Magnet|permanent magnet]] to turn a [[vibration]] into an electrical signal.
: When the receiver [[vibration|vibrates]] the coil of wire moves around the [[Permanent Magnet|permanent magnet]] to make a [[Electrical Current|current]] in the coil of wire.
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|[[File:MicrophoneDiagram.png|center|400px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[microphone]].
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==Key Stage 4==
===Meaning===
[[File:Microphone.png|right|300px|thumb|A picture of a [[microphone]].]]
A [[microphone]] is an electrical device that turns the [[vibration]] of a [[sound]] into an electrical signal using the [[Generator Effect|generator effect]].
===About Microphones===
: [[Sound]] transfers [[information]] which a [[microphone]] converts into an electrical signal.
: [[Microphone]]s use a coil of wire and a [[Permanent Magnet|permanent magnet]] to turn a [[vibration]] into an electrical signal.
: When the receiver [[vibration|vibrates]] the coil of [[wire]] moves around the [[Permanent Magnet|permanent magnet]] to make a [[Electrical Current|current]] in the coil of [[wire]].
{| class="wikitable"