E&M
From this page you can view demos for Electricity and Magnetism classes.
This page contains all the Electricity/Magnetism demos. To navigate to a specific category of these demos, use the menu on the left. To view a demo, click on either the image or the number/name.
| Number and Title | Image | Description |
|---|---|---|
| 5A10.20 - Electrophorus |  | Demonstrates charging by induction. |
| 5A20.20 - Pith Balls |  | Show attraction and repulsion of charges, Polarization and Coulomb's law. |
| 5A22.10 - Braun Electroscope |  | Demonstrate charging by induction and attraction and repulsion of charges. |
| 5A22.30 - Gold Leaf Electroscope |  | Show the presence of charge. |
| 5A30.10 - Wire vs. String |  | Shows the difference between a conductor and an insulator. |
| 5A40.20 - Attracted Soda Can |  | Polarize a metal soda can with a charged rod. |
| 5A40.23 - Blow Soap Bubbles at Van de Graff |  | Polarization of soap bubbles. |
| 5A40.30 - Charged Rod Deflects 4x6 |  | Use polarization to move a 4x6 piece of wood. |
| 5A40.40 - Deflection of a Stream of Water |  | This demonstration shows that a charged rod can deflect a stream of water. |
| 5A50.10 - Wimshurst Machine |  | This machine is used to create electric charge and store it in capacitors (Leyden jars). When the ... |
| 5A50.30 - Van de Graff Generator |  | This is a high voltage Van de Graff generator (~400,000V) used for many electricity demos. If ... |
| 5B10.10 - Hair on End |  | This demonstration illustrates the buildup of charge on someone's hair. |
| 5B10.15 - Van de Graff Streamers |  | Place the streamers on the Van de Graff machine. As the streamers get charged, they will follow the electric field lines. |
| 5B10.25 - Styrofoam Peanuts on Van de Graff Gen. |  | This demo shows the buildup of charge on Styrofoam peanuts by the Van de Graff generator. |
| 5B10.30 - Franklin's Bell (Electric Chimes) |  | A conductive ball is suspended between two vertical parallel plates connected to the Wimshurst machine. The ... |
| 5B10.40 - Electric Field Lines on Overhead |  | This demonstration visually shows the electric field lines using the overhead projector. |
| 5B20.10 - Surface Charge |  | This demo shows that charge on a solid conductor resides entirely on the outer surface. This ... |
| 5B20.35 - Faraday Cage |  | Radio waves, being electromagnetic in nature, do not penetrate the metal cage because ... |
| 5B30.35 - Point and Ball w/ Van de Graff |  | This demonstration illustrates how a lightning rod works (as well as any sharp point). |
| 5B30.50 - Electric Pinwheel |  | This demonstration shows that a pinwheel on a Van de Graff generator will spin. |
| 5C10.20 - Parallel Plate Capacitor |  | This demo uses a large parallel plate capacitor to show that the capacitance varies when the air gap size is changed. |
| 5C20.10 - Capacitor with Dielectrics |  | This demo illustrates the effects of a dielectric on a capacitor. |
| 5C30.20 - Short a Capacitor |  | This demo shows what happens when you short a large capacitor. |
| 5C30.30 - Light the Bulb |  | This demo shows what happens when you short a large capacitor. |
| 5D10.40 - Resistance Model |  | This is a visual model of resistance on a microscopic scale. When the lead ball hits a nail, this represents ... |
| 5D20.10 - Wire Coil in LN2 |  | A wire coil is connected in series to a battery and light. When the wire coil is put in the Liquid ... |
| 5D20.20 - Wire Coil in Flame | A wire coil is connected in series to a battery and light bulb. When the wire coil is heated up in the ... | |
| 5D40.10, 5K30.50 - Jacob's Ladder |  | The Jacob's Ladder uses AC voltage with a transformer made of two wire coils in such a way ... |
| 5E20.12 - Electrolysis of Water |  | This demonstration shows how an electric current is produced from separating Hydrogen from water. |
| 5E40.20 - Voltaic Cell |  | A voltaic cell is made with copper and zinc electrodes in a sulfuric acid solution. |
| 5E40.25 - Fruit and Vegetable Battery |  | This demonstration uses the energy of two fruit to power a clock. |
| 5E50.65 - Thermoelectric Fan (Peltier) |  | By keeping the plates of a peltier at different temperatures, a current is produced to run the fan. |
| 5F10.15 - Water Analog (voltage drop and current) |  | This is a visual model of a voltage drop and the current. You may adjust the height of the water ... |
| 5F15.32 - Vaporize a Wire |  | Short a car battery with a wire to burn it. The car battery is able to supply over 100amps of current for a short time. |
| 5F20.50 - Series and Parallel Lights |  | This configuration shows a set of series and a set of parallel lights connected to AC voltage. ... |
| 5F30.20 - Charge and Discharge an RC Circuit |  | Use the oscilloscope to show V(t) for a capacitor charging and discharging in an RC circuit. |
| 5G20.30 - Magnetic Domains (Array of Arrows) |  | This demo shows the magnetic field lines of a magnet on the overhead projector. |
| 5G20.70 - Small Electromargnet |  | This demonstration uses a small electromagnet connected to a 9V battery to pick up the ... |
| 5G20.71 - Electromagnet |  | This demonstration illustrates the pieces that make up a simple electromagnet. |
| 5G30.20 - Paramagnetism of Liquid Oxygen |  | Using a high power magnet, you can show the paramagnetism of liquid oxygen In general ... |
| 5G50.10 - Curie Point |  | A ball of iron is attached to a magnet. Heat the iron near the magnet and it should fall after a few seconds. |
| 5G50.50 - Meissner Effect |  | Cool a superconductor with liquid nitrogen and a small magnet floats on it due to magnet repulsion. |
| 5H10.30 - Magnetic Field Lines (Iron Filings) |  | This demo shows the magnetic field lines of a magnet on the overhead projector. |
| 5H15.10 - Iron Filings Around a Wire |  | Iron filings are sprinkled around a vertical wire running through plexiglass. The iron filings ... |
| 5H15.40 - Iron Filings Around a Solenoid |  | A solenoid is wound through a peice of plexiglass for use with iron filings on the ... |
| 5H20.10 - Magnets on a Pivot |  | This demonstration shows that a magnet on a pivot will move in response to another ... |
| 5H30.10 - Magnet and TV |  | This demonstration shows what happens when you bring a magnet near a CRT. The magnet ... |
| 5H30.15 - Bending an Electron Beam |  | This demonstration shows that a magnetic field can deflect a beam of moving electrons. |
| 5H30.22 - Magnetic Deflection of Cathode Ray (E/M Tube) |  | A beam of electrons is propelled vertically. When a current is sent through the Helmholtz coils, a ... |
| 5H40.10 - Parallel Wires (Pinching Wires) |  | This demonstration shows the interaction of current passing through parallel wires. The wires ... |
| 5H40.30 - Jumping Wire |  | This demonstration shows the interaction between the moving current in a wire in the presence of a magnetic field. |
| 5H40.71 - Rolling Rod (Ampere's Motor) |  | This demonstration visually shows the interaction between a magnetic field and a current carrying rod. |
| 5H50.20 - Force on a Current Loop |  | This demonstration shows the force on a current carrying wire loop in a magnetic field. |
| 5J10.20 - Inductance Spark (back EMF) |  | This demonstration shows that the current stored in an inductor will take the path of least ... |
| 5J30.10 - RLC Ringing (LCR Trombone) |  | The point of this demo is to show that an LCR (inductor-capacitor-resistor) circuit is a ... |
| 5K10.20 - Induction Coil with Magnet and Galvanometer |  | This demo shows that a moving magnetic field induces a current in a coil of wire, which can be ... |
| 5K10.27 - Faraday's Flashlight |  | This is a "Faraday's Flashlight" as seen on TV. A magnet moves up and down inside a coil of ... |
| 5K20.10 - Eddy Current Pendulum |  | This demonstration shows the dampening force of a magnet on different discs. A pendulum is made to ... |
| 5K20.20 - Eddy Currents in a Paddle |  | When the conductive paddle is moved in the magnetic field, induced current loops (eddy ... |
| 5K20.25 - Magnets and Eddy Tubes |  | This demonstration shows the difference eddy currents have on a falling magnet in a tube ... |
| 5K20.30 - Jumping Ring |  | This demo shows how an aluminum ring can float around a vertical inductor. If enough current is ... |
| 5K30.20 - Transformers |  | By coupling two coils to each other a transformer is created. Connect the primary to ... |
| 5K40.10 - DC Motor |  | This demonstration visually shows the interaction between magnets and coils when a current is sent through the coils. |
| 5K40.80 - Hand Crank Generator |  | This demo shows a hand crank generator used to light up a bulb. |
| 5L10.10 - Variable Inductance (Dimmer) |  | This demonstration shows that a variable inductor connected in series with a light bulb will dim as the inductance is increased. |
| 5L30.36 - High/Low Pass Filter |  | This demonstration allows students to see the effects an inductor and capacitor have on an AC source. |
| 5N10.90 - EM Wave Production (Mad Scientist Radio) |  | An electrostatic generator creates EM waves that can be viewed on the oscilloscope. |
| 5N20.10 - Induction Coil |  | This is a very old tesla coil. |
| 5N20.25 - Hand Held Tesla Coil |  | This is a portable tesla coil. Can be used as any other tesla coil. |
| 5N20.40 - Tesla Coil 5N20.50 - TC and Fluorescent Light 5N20.55 - Electrodeless Discharge 5N20.60 - TC and Skin Effect |  | This demo uses a tesla coil to illuminate a fluorescent light bulb The high frequency and high ... |