AQA GCSE Physics · 8463
Specification 4.7.3.3 · Paper 2
Revise: MicrophonesWhen these variations reach a moving-coil microphone, they push and pull on a thin diaphragm, causing it to vibrate backwards and forwards.
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GCSE Physics · key term
A microphone in which sound makes a coil move relative to a magnetic field, inducing an electrical signal.
Used by AQA and OCR
Specification 4.7.3.3 · Paper 2
Revise: MicrophonesWhen these variations reach a moving-coil microphone, they push and pull on a thin diaphragm, causing it to vibrate backwards and forwards.
Paper 1, Paper 2
A device in which sound makes an attached coil move in a permanent magnetic field, producing a changing electrical signal.
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When they reach a moving-coil microphone, they make a thin diaphragm vibrate backwards and forwards. A coil attached to the diaphragm therefore moves with it inside the field of a permanent magnet.