Physics GCSE
generator effect
What generator effect means in Physics GCSE, as defined for AQA.
Definitions of generator effect
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Reference: AQA
The effect used by microphones to convert the pressure variations in sound waves into variations in current in electrical circuits.
The effect a microphone uses, whereas a loudspeaker uses the motor effect to transfer energy in the opposite direction.
Movement, or a changing field, produces a potential difference.
Topics that use generator effect
- Induced potential (HT only) (AQA GCSE)
- Microphones (HT only) (AQA GCSE)
Related terms
- changing field
- Conservation of energy
- diaphragm
- diaphragm and coil
- direction of the induced potential difference
- energy transfer
- induced potential difference
- moving-coil microphone
Using generator effect in the exam
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