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DEM01 Basics of Static Electricity ![]()
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DEM02 Wimshurst Machine and Van de Graaf Generator ![]()
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DEM03 Electrostatic Point Discharge ![]()
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DEM04-1 Bat, Styrofoam, and Aluminum Plates for Van de Graaf ![]()
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DEM05 Hand-crank Dynamo Electric Generator ![]()
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DEM06 Explosion Due to Static Electricity ![]()
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DEM07 Seed-in-Oil Electric Field ![]()
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DEM08 RC Circuit
DEM09.1 Storage of Charge ![]()
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DEM10 CRT Deflection Plates ![]()
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DEM11 Lissajous Figures on Oscilloscope
DEM12 CRT TV, Computer Monitor, and Radar Display
DEM14A Piezoelectric Speaker
DEM16 Resistors with Various Wattages
DEM17 Various Types of Resistors ![]()
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DEM18 Various Types of Capacitors ![]()
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DEM19 Charging and Discharging a Capacitor
DEM20 Electrical Resistance is Temperature-Dependent – Coil Over Burner ![]()
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DEM20.1 Electrical Resistance is Temperature-Dependent – Pachinko Model ![]()
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DEM22 Electrical Conduction of Glass ![]()
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DEM23 Various Magnets
DEM24 Magnetic Field – Bar Magnet in Flat Open Tray ![]()
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DEM24.1 Magnetic Field – Cylindrical Magnet in Sealed Oil Cube ![]()
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DEM24.2 Magnetic Field – Bar Magnet in Sealed Oil Tray
DEM24.3 Magnetic Field in 3D with Bar and Horseshoe Magnets
DEM25 Broken Bar Magnet – No Magnetic Monopoles
DEM26 Magnetic Spinning Top
DEM27 Electromagnet with Various Metal Cores ![]()
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DEM28 Magnetic Field About a Single Conductor ![]()
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DEM29 Magnetic Field About a Solenoid ![]()
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DEM30 Magnetic Effect of Current on Parallel Conductors ![]()
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DEM31 Force on a Current-Carrying Conductor – Hanging Hoop ![]()
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DEM31.1 Force on a Current-Carrying Conductor – Rolling Rod ![]()
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DEM32 Current Induced in a Moving Conductor – Hanging Hoop ![]()
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DEM32.1 Current Induced in a Moving Conductor – Rolling Rod
DEM33 Supplied vs Induced EMF – Differentiation by Induction ![]()
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DEM34 Magnetic Induction of Iron
DEM35 Moving Magnet Induces Current ![]()
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DEM36 Electromagnetic Induction with Gilly Coils ![]()
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DEM37 Uses of Elihu-Thomson Induction ![]()
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DEM38 Induced EMF ![]()
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DEM40 Generator
DEM41 Small DC Motor ![]()
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DEM41-1 Beakman’s DC Motor ![]()
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DEM42 Large Electric Motor
DEM43 Lenz Law & Induction with Metal Hoops
DEM44 Eddy Current Induced in Flat Aluminum Ring ![]()
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DEM44A Magnetic Damping via Induced Current
DEM44-1 Eddy Current Induced in Copper Tube ![]()
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DEM45 Rotating Pie Plate
DEM46 Inductor and Transformer Board ![]()
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DEM47 Cross Section of Manufactured Transformer
DEM48 Simple AC Magnetic Motor – Hair Clippers ![]()
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DEM49 Transformer Kit
DEM50 Transformer Effect ![]()
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DEM51 Vibrating Filament ![]()
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DEM52 R, L, and C in AC and DC Circuits
DEM52B Resonance Damping in R, L, and C Circuits
DEM53 Stored Energy in an Inductor
DEM55 LED
DEM58 Rectification
DEM59 Tesla Coil with Accessories ![]()
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DEM60 Jacob’s Ladder ![]()
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DEM63.1 1-Farad Supercap
DEM79 Electrostatic Ping Pong ![]()
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DEM80 Jumping Cow Magnet ![]()
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DEM81 Faraday Cage ![]()
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DEM82 Homopolar Motor
DEM83 Diamagnetic Levitation
DEM84 Ground Fault Circuit Interrupter
DEM86 Magnetic Locks
DEM87 Magnetic Phase Transition
DEM88 Circle of Compasses
DEM89 Meissner Effect
DEM91 Hairdryer in Water
DEM92 Squishy Circuits