Physics path · GCSE Physics

Does a commentary microphone produce a steady current?

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Practice question

Before a match, a sound engineer tests a moving-coil commentary microphone. The test sound produces pressure variations at the microphone. How does the current in the microphone circuit vary?

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Official curriculum

4.7.3.3 Microphone output variations and generator-effect faults

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.7.3.3 Microphone output variations and generator-effect faults GOV.UK Key Stage 4 science programme

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