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2. Electrodynamic moving-coil microphone
2.1 Operating principle
A moving coil made up of N turns of length L (total length
= NL ) placed in a field of constant radial magnetic induction B is subjected to a force F (normal to B ) and moves at speed v, intersecting the induction lines (figure
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Electrodynamic moving-coil microphone
Electrostatic microphone
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