Breadcrumb Home Demos Electricity & Magnetism Electricity & Magnetism Support Equipment5 - 00.00 - Support Equipment used for Electricity and MagnetismElectrostaticsProducing Static Charge5A10.10 - Electrostatic Charges5A10.15 - Triboelectric Series5A10.19 - Electrostatics - Fluorescent Light & Cat's Fur5A10.20 - Electrophorus5A10.35 - Tape - Equal and Opposite Charges5A10.36 - Equality of Charge - Charge ConservationCoulomb's Law5A20.10 - Electrostatics - Rods and Pivots5A20.20 - Electrostatics - Pith Balls, Balloons5A20.30 - Van de Graaff - Balloons5A20.31 - Electro Flyer5A20.37 - Coulomb's Law Balance - Pasco ModelElectrostatic Meters5A22.12 - Electroscopes5A22.93 - Electroscope - FETConductors and Insulators5A30.10 - Electroscope - Wire vs. String5A30.15 - Conductors & InsulatorsInduced Charge5A40.10 - Electrostatic Spheres5A40.15 - Induction - Mylar Balloon5A40.16 - Induction - Charging Electroscope by Induction5A40.20 - Electrostatics - Cans & Charged Rods5A40.21 - Electrostatics - Particles & Charged Rods5A40.24 - Van de Graaff - Bubbles5A40.30 - Electrostatic 2x45A40.36 - Van de Graaff - Ball and Snake5A40.40 - Electrostatic Deflection - Water Stream5A40.70 - Kelvin Water Dropper - Relaxation OscillatorElectrostatic Machines5A50.10 - Wimshurst Generator5A50.30 - Van de Graaff Generator5A50.35 - Fun Fly Stick5A50.40 - Static Genecon5A50.52 - Electrostatic Motor5A50.54 - Electrostatic Motor - Racing Ball - Accelerator ModelsElectric Fields and PotentialElectric Field5B10.10 - Van de Graaff generator - Hair5B10.15 - Van de Graaff - Wig and Streamers5B10.23 - Van de Graaff - Aluminum Foil Rockets5B10.25 - Van de Graaff - Plates & Peanuts, Felt Bat5B10.30 - Electrostatic Chimes and Franklin's Bells5B10.31 - Volta's Hailstorm - Jumping Particles5B10.33 - Van de Graaff - Cotton Ball5B10.40 - Electric Field Lines Demo5B10.45 - Electrorheological Liquid5B10.58 - Van de Graaff - Fluorescent & Neon Light5B10.70 - Potential Field ModelGauss' Law5B20.10 - Gauss's Law Demo - Faraday's Icebucket5B20.20 - Butterfly Net5B20.30 - Faraday's Cage - Electroscope5B20.35 - Faraday's Cage - Radio5B20.50 - Electric Field Lines and FluxElectrostatic Potential5B30.10 - Charge Density - Balloon5B30.20 - Zeppelin5B30.26 - Van de Graaff - Lightening Plate5B30.35 - Corona Discharge5B30.40 - Van de Graaff - Candle5B30.46 - Discharging from a Point5B30.50 - Electrostatic Pinwheel - Ion Motor5B30.60 - Smoke Precipitator5B30.95 - Human Discharge ChainCapacitanceCapacitors5C10.10 - Demo Capacitors5C10.20 - Sliding Capacitors5C10.31 - Capacitors - Charge vs. Surface Area5C10.35 - Gang Capacitors / Rotary CapacitorsDielectric5C20.10 - Dielectrics5C20.11 - Capacitors with Dielectrics - Studfinder5C20.22 - Forces on a Dielectric5C20.30 - Leyden Jar - Dissectible Capacitor5C20.51 - Lichtenberg Figures5C20.60 - Displacement CurrentEnergy Stored in a Capacitor5C30.10 - Leyden Jars5C30.15 - Blow a Capacitor5C30.20 - Spark a Capacitor5C30.35 - Capacitor - Lift a Mass5C30.38 - Capacitor - Charge & Discharge - Genecon Generator5C30.42 - Capacitive Impedance Demo5C30.70 - The Effect of AC and DC on an RC CircuitResistanceResistance Characteristics5D10.10 - Resistor Models and Demos5D10.15 - Resistors - Characteristics of Tapered Resistors5D10.16 - Resistors - Characteristics of Pencil Lead Resistors5D10.20 - Resistance vs. Diameter, Resistance vs. Length5D10.25 - Conducting Foam and Play-Doh5D10.30 - Human Resistance5D10.40 - Resistor Model - Random Walk5D10.60 - Burn a ResistorResistivity and Temperature5D20.10 - Temperature Dependence of Resistance - Wire Wound Resistors5D20.20 - Temperature Dependence of Resistance - Iron Wire and Flame5D20.30 - Temperature Dependence of Resistance - Carbon Resistors5D20.31 - Stefan's Law - Resistance of Light Bulbs5D20.50 - Thermistors - Differential Negative Resistance5D20.60 - Conductivity of GlassConduction in Solutions5D30.10 - Conductivity of Water5D30.30 - Pickle Light - Electrocute a PickleConduction in Gases5D40.10 - Jacob's Ladder5D40.30 - Radioactive Discharge - Ionization5D40.50 - Neon Bulb Trigger - Avalanche Trigger5D40.60 - Surface IonizationElectromotive Force and CurrentPlating5E30.20 - Electroplating CopperCells and Batteries5E40.03 - Batteries - Wet and Dry/Voltaic Pile5E40.15 - Human Battery5E40.25 - Lemon Battery5E40.27 - Potato Clock5E40.30 - Battery - Avalanche Voltage5E40.61 - Arcing of Two Electrodes5E40.70 - Internal Resistance, Maximum Power and Impedance Matching5E40.75 - Internal Resistance of a Battery5E40.80 - Fuel CellsThermoelectricity5E50.10 - Thermocouples5E50.19 - Seebeck Effect - Thermoelectricity5E50.30 - Thermoelectric Magnet5E50.60 - Thermoelectric Cooler/Peltier ApparatusPiezoelectricity5E60.12 - Piezoelectric Crystal DemoDC CircuitsOhm's Law5F10.10 - Ohm's LawPower and Energy5F15.10 - Electrical Equivalent of Heat5F15.14 - Light Bulbs - Incandescent vs. Compact Fluorescent vs. LED5F15.15 - Household Electronics, Circuits, Insulators, & Conductors5F15.20 - Hot Dog Cooker5F15.33 - Fuse WireCircuit Analysis5F20.10 - Kirchhoff's Law5F20.30 - Potentiometer5F20.40 - Wheatstone Bridge5F20.50 - Series and Parallel Light Bulbs5F20.55 - Series and Parallel Resistors5F20.65 - Series and Parallel Capacitors5F20.85 - Frequency in Parallel and Series CircuitsRC Circuits5F30.10 - Capacitor - Charge & Discharge5F30.20 - R-C Time Constants or Simultaneous Voltage and Current Charging Curves5F30.60 - Relaxation Oscillators - Neon Bulb, Doorbell, and Strobe LightsMagnetic MaterialsMagnets5G10.10 - Magnets5G10.11 - Refrigerator Magnets & Floppy Disks5G10.15 - Lodestone5G10.18 - Money and Magnets5G10.20 - Break a Magnet5G10.55 - Magnetic Linear Accelerator - Gauss RifleMagnet Domains and Magnetization5G20.10 - Barkhausen Effect5G20.21 - Magnetic Domain Apparatus5G20.30 - Overhead Magnetic Domain Model5G20.47 - Amperes Ants5G20.50 - Iron Rod and Hammer5G20.55 - Permalloy Rods5G20.70 - Electromagnet5G20.72b - Electromagnet - AC5G20.73 - Electromagnetic Levitator - Suspended Globe5G20.74 - Magnetic FluxParamagnetism and Diamagnetism5G30.10 - Paramagnetic, Diamagnetic, & Ferromagnetic Demos5G30.20 - Paramagnetism of Liquid Oxygen5G30.35 - Diamagnetic Grape5G30.40 - Diamagnetic Water5G30.45 - Four and Nine Magnet Diamagnetic Levitator5G30.50 - Diamagnetic Graphite5G30.55 - Diamagnetic BismuthHysteresis5G40.10 - Hysteresis5G40.21 - Simple HysteresisTemperature and Magnetism5G50.10 - Curie Point of Permanent Magnets5G50.50 - Superconductors - Meissner EffectMagnetic Fields and ForcesMagnetic Fields5H10.11 - Compass5H10.15 - Dip Needle5H10.20 - Oersted's Effect5H10.30 - Magnet and Iron Filings5H10.31 - Ferromagnetic Fluids5H10.35 - Magnetorheological Fluids5H10.55 - Gaussmeters5H10.59 - Zero Gauss Chamber5H10.61 - Magnetic ShieldingFields and Currents5H15.10 - Overhead Electromagnets5H15.46 - Helmholtz CoilsForces on Magnets5H20.10 - Forces on Magnets - Torque5H20.20 - Levitating Magnetic Disks5H20.22 - Levitron (TM) - Levitation Using Permanent Magnets5H20.25 - Revolution5H20.40 - Marble Magnets - Dipole-Dipole InteractionMagnets / Electromagnet Interaction5H25.10 - Coil & Compass, Rods, Gaussmeter, & Tangent Galvanometer5H25.20 - Jumping Magnets5H25.25 - Magnetic Suction5H25.30 - Solenoid SwitchesForce on Moving Charges5H30.05 - e/m - TV and Magnet5H30.10 - E - Beam Deflection - Cathode Ray Tubes5H30.15 - Electrostatic Deflection of Electron Beam5H30.20 - e/m - Electromagnetic Deflection of Electron Beam - Small5H30.21 - e/m - Electromagnetic Deflection of Free Electron Beam5H30.25 - Planetterella - Van Allen Radiation Belts5H30.30 - Rotating Plasma 5H30.35 - Rotating Plasma - DC Arc5H30.41 - Swirling Plasma - de la Rive Tube5H30.45 - Ring Plasma5H30.50 - Magnetohydrodynamic Motor - Ion MotorForce on Current in Wires5H40.10 - Jumping Wires5H40.23 - Lamp Filaments, Magnet & AC/DC5H40.25 - Dancing Slinky5H40.30 - Jumping Wires - Magnet and Wire5H40.37 - Take Apart Speaker5H40.38 - Lorentz Force - Jumping Wire With a Twist5H40.40 - Current Balance5H40.50 - Barlow's Wheel5H40.53 - Homopolar Motor5H40.71 - Ampere's Motor - Railgun5H40.75 - Faraday TrainTorques on Coils5H50.10 - Homemade GalvanometerInductanceSelf Inductance5J10.10 - Demo Inductors5J10.30 - Arcing of an Inductive CircuitLR Circuits5J20.10 - L-R Time Constants5J20.20 - Inductor DemoRLC Circuits - DC5J30.10 - Ringing CircuitElectromagnetic InductionInduced Currents and Forces5K10.10 - Sliding Rail5K10.16 - Tape Heads5K10.20 - Faraday's Laws - Induced Currents5K10.25 - Electromagnetic Induction Demo - Coil and Light Bulb with Magnets5K10.30 - Induced Currents using Two Coils5K10.34 - Metal Detector5K10.48 - Current Coupled Pendula5K10.51 - Induced Currents using Two Coils - Audio Transformer5K10.60 - Flip Coil5K10.65 - Earth Inductor - Jumping Rope5K10.82 - Homopolar Motor as a GeneratorEddy Currents5K20.10 - Magnetic and Electromagnetic Damping5K20.23 - Lenz's Law - Zig's Tube5K20.24 - Lenz's Law - Plates and Magnets5K20.25 - Lenz's Law - Tubes and Magnets5K20.26 - Lenz's Law - Repulsion Rings5K20.30 - Lenz's Law - Jumping Rings5K20.33 - Lenz's Law - Capacitive Ring5K20.36 - Induction Heating - Boil Water5K20.39 - Eddy Current Levitator5K20.40 - Eddy Current Levitator - Spinning Disk5K20.42 - Lenz's Law - Pie Tin, Water, Plate, and Magnet5K20.43 - Vertical Eddy Current Levitator5K20.57 - Rotating Copper & Aluminum Disks5K20.60 - Eddy Currents - Barlow's Wheel5K20.62 - Eddy Currents in SilverTransformers5K30.20 - Transformer Demo5K30.30 - Transformer - Coil and Light Bulb5K30.51 - Induced EMFMotors and Generators5K40.10 - DC Motors5K40.11 - Antique "Walking Beam" Motor5K40.15 - Faraday's Engine / Motor5K40.35 - AC Motors5K40.40 - St. Louis Motor - Generator5K40.45 - Motor - Generator Pairs5K40.49a - Mystery Top5K40.49b - Space Circles - Space Balls5K40.49c - Space Wheel5K40.70 - Motor - Back EMF5K40.80 - Hand Crank Generators - Genecon5K40.81 - Antique Hand Crank Generator5K40.83 - Bicycle Generator5K40.85 - Energy Conversion Demos5K40.90 - Generators - Water and Wind Generators or TurbinesAC CircuitsImpedance5L10.10 - Inductive Choke5L10.70 - Resistor - Resistor CircuitsRLC Circuits - AC5L20.13 - L-R, R-C, Phase Shift Demo5L20.21 - Resonance Circuits5L20.23 - RLC Resonance - Iron and Brass CoresFilters and Rectifiers5L30.10 - Bridge Rectifiers5L30.12 - Half-Wave, Full-Wave Rectifiers5L30.20 - Blinky Whirligig - AC Made Visible5L30.25 - DC vs. AC Voltages and the Meaning of Root Mean Square5L30.30 - Circuit Filters5L30.36 - The Sound Color Organ9B50.30 - Selenium RectifiersSemiconductors and TubesSemiconductors5M10.10 - Hall Effect5M10.45 - Light Sensitive Resistors - Negative Feedback5M10.50 - Principles of a Diode5M10.51 - T vs. V - Semiconductors5M10.53 - Burn or Blow a Diode5M10.55 - LED's5M10.56 - Zener Diodes5M10.57 - Tunnel Diodes5M10.60 - Diode PN Junction - Edison Effect5M10.61 - P-N Junctions - Gravitational Model5M10.65 - Transistors5M10.95 - Operational Amplifiers - (Op-amps)Tubes5M20.20 - Geissler Tubes and Special Discharge TubesElectromagnetic Radiation Transmission Lines and Antennas5N10.28 - Coaxial Cable - Delay Line5N10.50 - Lecher Wires5N10.55 - Electromagnetic Radiation - Microwave5N10.57 - Electromagnetic Radiation - Microwave Oven - Standing Waves5N10.60 - Electromagnetic Radiation - Radio Transmitter5N10.65 - Antennas5N10.66 - Radios5N10.67 - Crystal Radio Set5N10.70 - Microwave Waveguides5N10.80 - Propagation of an Electromagnetic WaveTesla Coil5N20.25 - Tesla Coil - Plasma5N20.40 - Tesla Coil5N20.41 - Singing Tesla Coil - Plasma Speaker5N20.80 - Tesla Coil and Pinwheel - Ion MotorElectromagnetic Spectrum5N30.00 - Electromagnetic Spectrum5N30.10 - Glass, Water, & CS2 Prisms5N30.40 - Infrared Spectrum5N30.45 - Infrared Viewer & I. R. Projector5N30.50 - Hearing Infrared5N30.60 - Ultraviolet Spectrum9B40.20 - Radios and Radio Spectrum