The electromagnetism demonstrations are on Level 1 (Behind Lecture Theatre A).
Name |
Purpose |
|---|---|
EM1:Galvanometer |
Measures voltage/current. |
EM2:Audio Oscillator |
Power Supply. |
EM3:Variac |
Power Supply. |
EM21:Charging By Induction |
Shows charging by induction. |
EM22:Faraday’s Ice Pail |
Shows distribution of charge. |
EM23:Charge On Concentric Shells |
Shows the distribution of charge on concentric shells. |
EM24:Charge On Irregular Shapes |
Shows the distribution of charge on irregularly shaped objects. |
EM25:Charging By Induction 2 |
Shows charging by induction. |
EM26:Van de Graaf Generators |
Generates static electricity. |
EM27:Box Of Electrostatic Demos |
Demonstrates concepts in electrostatics. |
EM28:Capacitance |
Demonstrates the concept of capacitance. |
EM29:Capacitor With Dielectric |
Shows the effect of a dielectric on capacitance. |
EM30:Capacitor With Ball |
Simple electrostatics demonstration. |
EM31:Spark Gaps |
Amusing electrostatics demonstration. |
EM32:Variable Capacitors |
Shows the effect of plate distance on capacitance. |
EM33:Kelvin Current Balance |
For interest's sake only. |
EM34:The Electrostatic Field |
Shows the direction of the electrostatic field. |
EM35:The Electrophorous |
Illustrates the basic principle of many electrostatic machines. |
EM36:Triboelectricity |
Basic experiments on electrification by contact and friction. |
EM37:Swinging Pith Ball |
Simple electrostatics demonstration. |
EM38:Proof Planes |
Used for transferring charge. |
EM39:Gold Leaf Electroscopes |
Used to measure potential difference. |
EM40:Whimshurst Machines |
Used to generate static electricity. |
EM51:Resistance |
Shows the difference between resistance in series and resistance in parallel. |
EM55:Back EMF Of Motor |
Demonstrates back EMF. |
EM57:Time-Dependent Currents |
Shows that a capacitor “passes” alternating current but not direct current. |
EM60:Time Constant |
Demonstrates the time constant of a capacitor. |
EM61:Variable Capacitor |
Enables varying capacitance for demonstrations. |
EM62:Giant Capacitor |
A large capacitor. |
EM63:1 Farad Capacitor |
A capacitor with high capacitance. |
EM64:Capacitor In A Glass |
Unusual capacitor. |
EM65:Canned Capacitors |
A series of capacitors. |
EM66:Box Of Capacitors |
Shows a variety of capacitors. |
EM93:Alternating Currents |
Demonstrates parallel resonance. |
EM94:Tesla Coil |
Produces extremely high voltage build-up. |
EM96:LR Circuit |
Demonstrates the current variation in an LR circuit. |
EM97:Self-Inductance |
Shows self-inductance. |
EM98:Electrical Beats |
Demonstrates electrical beating. |
EM100:Resonance |
Demonstrates electrical resonance. |
EM121:Step-Up Transformer |
Impressive high-voltage demonstration. |
EM125:Parallel Currents |
Shows the attraction and repulstion of parallel currents. |
EM126:Step-Down Transformer |
Demonstration of low voltage, high current conditions. |
EM127:Bulbs Light Via Inductance |
An entertaining demonstration of inductance. |
EM128:Induction in a Coil |
Shows electromagnetic induction in a coil of wire. |
EM129:Self-Inductor |
Shows self-inductance. |
EM130:Magnetic Braking |
Shows the effect of eddy currents. |
EM131:Induction: Coil-to-Coil |
Shows induction from one coil to another. |
EM132:Induction: Spinning Magnet |
Shows induction from a changing magnetic field. |
EM133:Earth Inductors |
Shows induction using the Earth's magnetic field. |
EM141:Galvanometer |
Shows the mechanism of a galvanometer. |
EM142:Magnetic Field in Loop |
Shows the direction of the magnetic field in a current-carrying loop. |
EM143:Lodestone |
Shows a naturally magnetic material. |
EM144:North and South Poles |
Shows the dipole nature of magnets. |
EM145:Mahomet's Coffin |
Shows repulsion of like poles of a magnet. |
EM146:Mahomet's Coffin - Rings |
Shows repulsion of like poles of a magnet. |
EM147:Magnetic Field - Bar |
Shows the magnetic field of a bar magnet. |
EM148:Induced Magnetisation |
Demonstrates induced magnetisation. |
EM149:Magnetic Field - Current |
Shows the magnetic field due to a current-carrying wire. |
EM150:Sticks |
Demonstrates the magnetic force. |
EM151:Oersted's Experiment |
Shows the direction of the magnetic field around a current-carrying wire. |
EM152:Force on Moving Charge |
Shows the force on a moving charge in a magnetic field. |
EM153:Faraday Cage |
Shows wavelength-dependent transmission of electromagnetic waves. |
EM155:Hysteresis |
Demonstrates hysteresis. |
EM156:Curie Temperature |
Demonstrates the Curie point. |
EM157:Magnetic Field - Disc |
Shows the magnetic field surrounding a disc. |
EM170:Cathode Ray Tubes |
Produce electron beams. |
EM171:Thermionics: Diodes - Rectification |
|
EM172:Discharge Tubes |
|
EM173:Positive Rays |