Does waving a magnet back and fourth produce an EM wave?

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SUMMARY

Waving a permanent magnet back and forth generates an electromagnetic (EM) wave. The frequency of the EM wave corresponds directly to the frequency at which the magnet is moved. However, the amplitude of the generated wave is extremely low, making detection challenging, even with radio equipment designed for such purposes.

PREREQUISITES
  • Understanding of electromagnetic wave theory
  • Familiarity with the principles of magnetism
  • Knowledge of radio frequency detection techniques
  • Basic concepts of wave frequency and amplitude
NEXT STEPS
  • Research the mathematical principles behind electromagnetic wave generation
  • Explore methods for enhancing the amplitude of generated EM waves
  • Learn about radio frequency detection equipment and techniques
  • Investigate the relationship between magnet movement and frequency modulation
USEFUL FOR

Physicists, electrical engineers, hobbyists interested in electromagnetism, and anyone exploring the practical applications of magnetism in generating electromagnetic waves.

pergradus
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If you take a permanent magnet and wave it back and fourth, or even just move it along in one direction, this seems like it should create an electromagnetic wave.

If so, how would one compute the frequency, and could you possibly detect it with a radio if you shielded it from other noise?
 
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It does, it's frequency is the frequency that you are waving at it, and the amplitude is so low as to render detection very difficult.
 

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