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