Demos to Prepare:
Oersted's Discovery.
Left-Hand Rules:
For Coils.
For Wires
The Big Magnet.
The Big Coil..
Great Relays.
Lock-in Relays.
Exciting Soleniods.
The Western Telegraph.
Electric Meters.
Magnetic Field Around a Conductor
Left Hand Rule for a Field Around a Wire
Powerful Electromagnets save our hero. Video:
Enormous Magnets, Nuclear Particle Detector
Superconducting Magnet in Particle Detector
Super Conductivity in Action, Video:
Solenoids Have Many Uses
Like These:
The Electric Solenoid releases the Geese of Boomeria at 0500. Video:
Demos:
The Lock-in Relay prevents the alarm from being stopped. Video:
The Sneak Alarm Uses a Lock-In Relay
Combat Information Center Lock In Relay Up Close
Main Machinery Space, Boomeria, With Relays Galore
The Electric Bell
The Dynamic Microphone
Sound waves vibrate the diaphragm. This moves the coil in the magnetic field. Electricity is generated in the same pattern as the sound waves.
The Loudspeaker
The Electromagnetic Field interacts with the Permanent Magnet Field. The vibrations ---> Sound Waves.
Click to see the Compressions & Rerefactions generated:
Andree Ampere
Michael Faraday in the "Cockpit" doing Demos
