Lecture Demo List
ELECTRICITY AND MAGNETISM
Electrostatics:
Electrostatic Chages.
Pith Ball
Charge Detector
Electrostatic Voltmeter
Electrostatic Repulsion.
Deflection of a Water Stream.
Charge Propelled Cola Can.
Shielded Electroscope.
Butterfly net Experiment.
Wimshurst Machine.
Electrophorus.
Grass Seeds in E-Field
UV Lght Discharging Electroscope.
Plasma Ball
Lightning.
Electrostatic Generators:
Electrostatic Pinwheel, lines of Force.
Van de Graff Generator.
Electric Field Line.
Charge Storage:
Field and Voltage.
Energy Stored in a Capacitor.
Capacitor Discharge.
Bouncing Ball Between Charged Plates
Chemical Sources of Electromotive Force:
Storage Battery.
Two-potato Clock.
Bio-electricity.
Resistance:
Model of Resistance.
Ohm's Law.
Resistivity
Temperature Dependence of Resistance.
Distribution of Power in Circuits:
Series and Parallel Light Bulbs.
Forces and Fields From Currents:
Magnetic Field Around a Long Wire.
Magnetic Field Around a Wire.
Field of a Solenoid.
Field of a Toriod.
Magnetic Force on a Wire.
Torque on a Current Loop.
Crooke's Tube.
Induction:
Forces Due to Induced Current.
Currents and Forces via Induction.
Direction of Induced Currents.
Induced Currents Due to Changing Currents.
Jacob's Ladder
Induction Coil
Eddy Currents:
Damped Pendulum
Eddy Currents in a Pendulum.
Eddy Currents in a Tube.
Eddy Current in a Metal Block
Levitating Disk above Rotating Disk
AC Circuit Elements:
Variable Inductance.
Light Bulb on a Variac.
RC Circuit
LR Circuit
LRC Circuit
RC Circuit with AC
LR Circuit with AC
DC Circuits:
Ohm's Law.
Kirchoff's Voltage Law.
Continuity of Current.
Equivalent Parallel Resistance.
Superposition of Currents.
Equivalent Series Resistance.
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Electrical Devices:
Flurorescent Light Bulb in Radiation Field.
Radiation from a Dipole.
Hand Cranked Generator.
Energy Efficiency - Compact Fluorescent Light.
Permanent Magnets:
Field of a Magnet
Lodestone.
Compass.
Dip Needle.
Levitation of Magnetic Discs.
Interaction Between Bar Magnets.
Curie Point.
Electro-Magnetism:
Magnetic Field.
Electromagnet using Small Battery.
Solenoid with Iron Core.
Demonstration Motor and Generator.
Moving Coil Galvanometer.
E/M Tube, Helmholts Coil.
Earth Inductor.
Tesla Coil.
Light Bulb in MicroWave.
Superconductor.
Spectrum Tubes.
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demos@media.physics.indiana.edu
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