How Can Building an AC Electromagnet Affect Nearby Electrical Devices?

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SUMMARY

Building an AC electromagnet can interfere with nearby electrical devices, particularly at 50/60Hz frequencies, which can disrupt TV screens, computer monitors, and magnetic stripes on credit cards. For frequencies exceeding 100kHz, interference with AM radio reception becomes a concern. Understanding the impact of electromagnetic fields is crucial for anyone engaging in such projects.

PREREQUISITES
  • Basic understanding of electromagnetic fields
  • Knowledge of AC circuit design
  • Familiarity with frequency ranges (50/60Hz and 100kHz+)
  • Awareness of electromagnetic interference (EMI) effects
NEXT STEPS
  • Research the effects of electromagnetic interference on electronic devices
  • Learn about shielding techniques for AC electromagnets
  • Explore the design of AC circuits for electromagnets
  • Investigate frequency modulation and its impact on radio reception
USEFUL FOR

Electronics hobbyists, engineers designing electromagnetic devices, and anyone interested in the effects of electromagnetism on household electronics.

Buzzlightyear
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Hi - I'm looking to build my own AC electromagnet for some personal science fun, however what I want to know is, at what point am I going to start interfering with the elctrical equipment in my house through the electric or magnetic (?) fields or worse start to affect my neighbours electrical applicances?? Many thanks
Mark
 
Engineering news on Phys.org
For 50/60Hz magnetic fields, mostly you have to worry about messing up your TV screen and computer monitors, and messing up magnetic stripes on your credit cards.

If you are going to work with frequencies in the 100kHz+ type range, then you might start to interfere with AM radio reception.
 

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