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Coils and inductance
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Coils and inductance

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Transcript

  • 1. The COIL and the wonderful properties of INDUCTANCE
  • 2. A tale of two properties….  Electricity Makes Magnetism?  Magnetism Makes Electricity???  Electricity Makes Magnetism Makes Electricity?????
  • 3. What is Magnetism? • The magnet is surrounded by an invisible force field • All magnets have a North and South POLE • Opposite poles attracted each other • All ferrous (containing iron) materials can be magnetized • The earth is the biggest magnet around
  • 4. The iron core of the earth allows a magnetic field to be created
  • 5. Hans Christen Oersted
  • 6. Flux Lines
  • 7. Brain Waves
  • 8. Joseph Henry’s Bigger and “Badder” Electromagnet
  • 9. Underwear saves the electromagnet Henry’s Electromagnet
  • 10. 2000 lbs winner Testing Henry’s New Electromagnet
  • 11. Iron Tape Technology
  • 12. Back to the Present…… 1st 5th 3rd 2nd 4th
  • 13. Michael Faraday
  • 14. Radio…Who’s your DADDY? Electromagnet Energy Electro-mechanical
  • 15. Speakers Section
  • 16. How a DC Motor Works
  • 17. Old Henry Makes a Transformer
  • 18. Primary to Secondary Coil
  • 19. Coil Symbol