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Question

Which of the following is/are the moving part/s of the moving coil microphone?

A
Permanent magnet
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B
Diaphragm
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C
Coils
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D
All parts of the microphone move
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Solution

The correct options are
B Diaphragm
C Coils
The flexible diaphragm vibrates in accordance with the sound waves falling on it. Coil is attached to the diaphragm, so that there can be a change in magnetic flux. Hence, the diaphragm and the coil are the moving parts.

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