To Explain: The result when the diaphragm of a microphone is pushed in.
Explanation of Solution
Introduction:
Faraday’s law of
When the diaphragm moves because of sound vibrations, it moves the conducting coil attached to it. This coil is placed inside a magnet i.e. a magnetic field. When the diaphragm moves, the coil placed in the magnetic field also move, thereby inducing current in the wire. This is how sound wave is converted into an electrical signal in a microphone.
Conclusion:
When the diaphragm moves the coil placed in the magnetic field also move, thereby inducing current in the wire.
Chapter 25 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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