Electricity and Magnetism

There are:

• 99 electricity and magnetism demonstrations
• 72 of which have brief descriptions and diagrams
• 15 more have pictures and complete descriptions

Last update : 2 September 1997

Main topics:

• Electrostatics
• Electric fields and potential
• Capacitance
• Resistance
• Electromotive force and current
• DC circuits
• Magnetic materials
• Magnetic fields and forces
• Inductance
• Electromagnetic induction
• AC circuits
• Electromagnetic radiation

• Electrostatics 5A
• Producing static charge 5A10
• Rods, fur, and silk 5A10.10
• Electrophorus 5A10.20
• Coulomb's law 5A20
• Rods and pivot 5A20.10
• Pith balls 5A20.20
• Electrostatic meters 5A22
• Electroscopes 5A22.10
• Conductors and Insulators 5A30
• Wire vs. string 5A30.10
• Acrylic and aluminum bars 5A30.15
• Induced charge 5A40
• Charging by induction 5A40.10
• Can attracted to charged rod 5A40.20
• 2 x 4 5A40.30
• Metal rod attraction 5A40.35
• Deflection of a water stream 5A40.40
• Kelvin water dropper 5A40.70
• Electrostatic machines 5A50
• Wimshurst machine 5A50.10
• Van de Graaff generator 5A50.30
• Electric fields and potential 5B
• Electric field 5B10
• Hair on end 5B10.10
• Van de Graaff streamers 5B10.15
• Confetti 5B10.25
• Fuzzy fur field tank 5B10.40
• Gauss' law 5B20
• Faraday ice pail 5B20.10
• Electroscope in a cage 5B20.30
• Radio in a cage 5B20.35
• Electrostatic potential 5B30
• Point and ball with van de Graaff 5B30.35
• Pinwheel 5B30.50
• Capacitance 5C
• Capacitors 5C10
• Sample capacitors 5C10.10
• Parallel plate capacitor 5C10.20
• Dielectric 5C20
• Capacitor with dielectrics 5C20.10
• Dissectible condensor 5C20.30
• Energy stored in a capacitor 5C30
• Short a capacitor 5C30.20
• Light a bulb with a capacitor 5C30.30
• Lifting weight with a capacitor 5C30.35
• Resistance 5D
• Resistance characteristics 5D10
• Resistor assortment 5D10.10
• Resistance model 5D10.40
• Variable resistor 5D10.77
• Dependence on length/area 5D10.88
• Resistivity and temperature 5D20
• Wire coil in liquid nitrogen 5D20.10
• Conduction in solutions 5D30
• Conduction through electrolytes 5D30.10
• Conduction in gases 5D40
• Jacob's ladder 5D40.10
• Electromotive force and current 5E
• Electrolysis 5E20
• Electrolysis of water 5E20.10
• Cells and batteries 5E40
• Lemon battery 5E40.25
• Two-potato clock 5E40.26
• Internal resistance of batteries 5E40.70
• Thermoelectricity 5E50
• Thermocouple 5E50.10
• Thermoelectric magnet 5E50.30
• Thermoelectric pair 5E50.77
• Piezoelectricity 5E60
• Piezoelectric sparker 5E60.20
• Piezoelectric gun 5E60.25
• DC Circuits 5F
• Ohm's law 5F10
• Ohm's law 5F10.10
• Potential drop along a wire 5F10.20
• Power and energy 5F15
• Electrical equivalent of heat 5F15.10
• Circuit analysis 5F20
• Kirchoff's law 5F20.10
• Continuity of current 5F20.15
• Superposition of current 5F20.20
• Potentiometer 5F20.30
• Wheatstone bridge 5F20.40
• Series and parallel light bulbs 5F20.50
• RC circuits 5F30
• Capacitor and light bulb 5F30.10
• RC time constant on scope 5F30.20
• Instruments 5F40
• Galvanometer as ammeter and voltmeter 5F40.20
• Magnetic materials 5G
• Magnets 5G10
• Magnet assortment 5G10.10
• Break a magnet 5G10.20
• Magnet domains and magnetization 5G20
• Compass arrays 5G20.30
• Electromagnet 5G20.71
• Hysteresis 5G40
• Hysteresis loop on scope 5G40.10
• Temperature and magnetism 5G50
• Curie point 5G50.10
• Meissner effect 5G50.50
• Magnetic fields and forces 5H
• Magnetic fields 5H10
• Dip needle 5H10.15
• Oersted's effect 5H10.20
• Magnet and iron filings 5H10.30
• Big magnet with ball bearings 5H10.34
• Fields and currents 5H15
• Iron filings around a wire 5H15.10
• Solenoid and iron filings 5H15.40
• Forces on magnets 5H20
• Magnets on a pivot 5H20.10
• Levitation magnets 5H20.20
• Magnet/electromagnet interaction 5H25
• Magnet in a coil 5H25.10
• Force on moving charges 5H30
• Cathode ray tube 5H30.10
• e/m tube 5H30.20
• Force on current in wires 5H40
• Parallel wires 5H40.10
• Jumping wire 5H40.30
• Torques on coils 5H50
• Spinning coil over magnet 5H50.45
• Inductance 5J
• Self-inductance 5J10
• Inductor assortment 5J10.10
• LR circuits 5J20
• LR time constant on scope 5J20.10
• Electromagnetic induction 5K
• Induced currents and forces 5K10
• Induction coils with magnet, galvanometer 5K10.20
• Eddy currents 5K20
• Eddy current pendulum 5K20.10
• Magnet falling in eddy tube 5K20.25
• Jumping ring 5K20.30
• Transformers 5K30
• Dissectible transformer 5K30.20
• Vertical transformer 5K30.30
• Light underwater 5K30.35
• Spot welder 5K30.42
• Motors and generators 5K40
• DC motor 5K40.10
• Hand crank generator 5K40.80
• AC Circuits 5L
• Impedance 5L10
• AC circuit with only an R, only a C, and only an L 5L10.17
• RLC Circuits - AC 5L20
• Phase relationships and resonance in an RLC circuit 5L20.19
• Filters and rectifiers 5L30
• Bridge rectifier 5L30.10
• Electromagnetic radiation 5N
• Tesla coil 5N20
• Tesla coil 5N20.40
• Glowing fluorescent lamp 5N20.50
• Plasma globe 5N20.56
• Electromagnetic spectrum 5N30
• Project the spectrum 5N30.10