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  3. Physics Edexcel
  5. 13.1.4 Microphones and loudspeakers

13.1.4 Microphones and loudspeakers

Spec 1PH0

Revise Edexcel GCSE Physics 13.1.4 Microphones and loudspeakers with the question bank and revision guides.

Explain the action of the microphone in converting the pressure variations in sound waves into variations in current in electrical circuits, and the reverse effect as used in loudspeakers and headphones.

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