Electricity and Magnetism
Electrostatics
- Electric Charges - Demo 1
- Electric Charges - Demo 2
- Static Wand (Charged rod) or use: Van de Graff or Wimshurst General to show:
- Stick balloon to wall
- Deflect water stream
- Roll empty coke can
- Rice krispies inside balloon
- "Pull" on a balanced 2x4 wood
- Tesla Coil to show
- Lightning plasma ball
- Fluorescent tube (half painted, half clear)
- Artificial lightning
- Electrostatics voltage source (when Van de Graff does not work)
Electric Field and Potential
- Overhead Projector/electric field lines apparatus
Capacitance
Resistance
- Conduction in Gases: Jacob's Ladder
- Resistivity and Temperature: Thermistor
- Resistivity and Temperature: Wire Coil in LN2
Electromotive Force and Current
- lectricity is energy - ignite steel wool by touching to 9-volt battery
- Piezoelectricity: Piezoelectric Sparker
- Solar cell on OHP to light bulb or radio
DC Circuits
- Charge and Discharge Circuit
- Parallel Resistors and Bulbs
- RC Time Constant
- Conversion of mechanical energy to electrical energy
- Ohm's Law
Magnetic Fields and Forces
- Mapping the magnetic field
- Mapping the magnetic field around a current carrying a wire kit → N1
- Force on current carrying wire near magnet
- DC Motor
- Faraday Cage
- Bar magnets and horse shoe magnet
- Compass
- Wire
- Batteries
Inductance
Electromagnetic Induction
- Induction in a coil
- Magnetic field around a coil
- Eddy currents: Juming rings
- AC Generator
- Eddy Current Kit
AC Circuits
Electromagnetic Radiation
- Hearing Infrared