Question on Magnetic polarization

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    Magnetic Polarization
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SUMMARY

The discussion centers on the phenomenon of sound generation from the alignment shifts of magnetic dipoles in an external magnetic field. Participants confirm that certain materials experience friction during this alignment shift, resulting in sound production. Additionally, it is established that microphones can capture sound directly from moving dipoles due to the induced voltage from changing magnetic fields. This indicates a direct relationship between magnetic polarization and acoustic phenomena.

PREREQUISITES
  • Understanding of magnetic dipoles and their behavior in external magnetic fields
  • Knowledge of electromagnetic induction principles
  • Familiarity with sound recording techniques and microphone functionality
  • Basic concepts of friction in materials
NEXT STEPS
  • Research the principles of electromagnetic induction in detail
  • Explore experiments involving sound generation from magnetic materials
  • Study the properties of materials that exhibit significant magnetic dipole behavior
  • Investigate advanced microphone technologies for capturing low-frequency sounds
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Physicists, audio engineers, materials scientists, and anyone interested in the intersection of magnetism and acoustics.

arlo
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Question on Magnetic polarization

Is it possible to hear/record the sound created by the shifting of the alignment of magnetic dipoles when introduced to an external magnetic field?

I believe that for some materials, this shifting causes friction which in return produces sound. Has anyone done this before?
 
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Once I saw (or rather heard) an experiment on this topic. If I understand it right, you don't have to wait for dipoles to cause mechanical vibrations. With a microphone you can get sound directly from moving dipoles, because they cause changing magnetic field which induces voltage in the microphone.
 

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