Download - Coils and inductance
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The COIL and the wonderful properties of
INDUCTANCE
The COIL and the wonderful properties of
INDUCTANCE
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A tale of two properties….
Electricity Makes Magnetism?Magnetism Makes Electricity???Electricity Makes Magnetism Makes
Electricity?????
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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
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The iron core of the earth allows a magnetic field to be created
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Hans Christen Oersted
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Flux Lines
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Brain Waves
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Joseph Henry’s Bigger and “Badder” Electromagnet
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Underwear saves the electromagnet
Henry’s Electromagnet
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Testing Henry’s New Electromagnet
2000 lbs winner
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Iron Tape Technology
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Back to the Present……
1st
2nd
3rd
4th
5th
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Michael Faraday
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Radio…Who’s your DADDY?
Electromagnet Energy
Electro-mechanical
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Speakers Section
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How a DC Motor Works
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Old Henry Makes a Transformer
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Primary to Secondary Coil
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Coil Symbol
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