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===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"
| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[microphone]].
|}
==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 induce a [[Electrical Current|current]] in the coil when receiver [[vibrate]]s.
: 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"
|-
|[[File:MicrophoneDiagram.png|center|400px]]
|-
| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[microphone]].
|}
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Microphone, moving-coil, pages 195, 262, GCSE Physics; Student Book, Collins, AQA '']
:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Microphones, page 225, GCSE Physics; Third Edition, Oxford University Press, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Microphones, page 235, GCSE Physics, Hodder, AQA '']
:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Microphones, page 307, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac312 ''Microphones, page 97, GCSE Physics; The Revision Guide, CGP, AQA '']
====Edexcel====
:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Microphones, page 175, GCSE Physics, Pearson Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Microphones, page 284, GCSE Physics, CGP, Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Microphones, page 90, GCSE Physics; The Revision Guide, CGP, Edexcel '']
====OCR====
:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Microphones, page 56, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']
:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Microphones, pages 136-137, 145, 148, Gateway GCSE Physics, Oxford, OCR '']