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7.3.3 Microphones (HT only)
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The generator effect in a microphone

The generator effect in a microphone

A moving-coil microphone contains a diaphragm attached to a coil of wire. The coil is positioned in the gap between the north and south poles of a permanent magnet. The magnetic field points from the north pole to the south pole, downward throughout the gap.

7.3.3 Microphones (HT only) Lesson

  1. GCSE
  2. /Physics
  3. /7.3.3 Microphones (HT only)

Step-by-step lessons on AQA GCSE Physics 7.3.3 Microphones (HT only). Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.

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