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