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    Physics GCSE

    moving-coil microphone

    What moving-coil microphone means in Physics GCSE, as defined for AQA.

    Definitions of moving-coil microphone

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    Reference: AQA

    A device in which sound waves cause a diaphragm to vibrate, making an attached coil cut the magnetic field lines of a fixed magnet and inducing a potential difference.
    AQA · Microphones (HT only) (study guide)
    A device that is a loudspeaker run backwards, in which the physics is the generator effect rather than the motor effect.
    AQA · Microphones (HT only) (study guide)

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