Demonstrations for Electricity and Magnetism
Each demo item has a brief description and some include pictures. After reviewing the description, you may order the item for your lecture from the Lecture Demonstration Lab by e-mail, making a phone call (8-8192), or going directly to the lab.
Electrostatics
- Rods, Fur, Silk, Pith Balls, Balloons and Projection Electroscope
- Electrostatic Torsion Balance Model
- Wimshurst Machine
- Van de Graaff Generator
- Faraday's Ice Pail
- Electrophorus Plate
- Electric Field Projection
- Induced Electric Field: Coke Can and Charged Rod
- Gauss's Law Models
- Electric Potential Transparency (Devil's Tower)
Capacitance and Capacitors
- Change of Capacitance with Dielectric
- Series and Parallel Capacitors
- Energy stored in Capacitors
- Charge and Discharge of a Capacitor
- Capacitor Board
- Parallel Plate Electroscope
Current and Resistance
- Electric Current Analog
- Simple Circuit
- Ohm's Law
- Conduction in Gases
- Change of Resistance with Temperature
- Resistor Board
- Coke Battery
- Dissected Pencil and Ohmmeter
Magnetic Field and Magnetic Force
- Projection of B Field of a Bar Magnet
- Projection of B Field of a Current Carrying Wire
- Projection of B Field of a Solenoid
- Force on a Current Carrying Conductor or EMF on Rod Moving in Magnetic Field
- Current Loop in B Field
- Wire Loop Motor
- Force between Current Carrying Conductors
- Two Bar Magnets
- Magnet on Swivel
- Electron Beam in B Field
- Floating Superconductor
Electromagnetic Induction
- Eddy Current Pendulum
- Lenz's Law Tube
- Lenz's Law Levitation
- Faraday's Law
- Magnetic Recording Simulation
- Back EMF
- Jumping Ring
- Transformer Effects
- Jacob's Ladder--Corona Phenomenon
- Dissectible Transformer
- AC/DC Generator
Light
- Short-wave Radio
- Electromagnetic Wave Model
- Slit Diffraction with Laser
- Diffraction With Mercury Source
- Hand-Held Gratings
- CD Disk Diffraction Grating
- Polarization Disks
- Blackboard Optics
- Total Internal Reflection
- Phantom Light Bulb (Real Image)
- Single Filament Bulb and Large Lens
- RF Shielding
- Radiometer and Light Bulb
- Thin Film Interference Using Soap Bubbles
- Newton's Rings
- Microwave Standing Waves
- Prisms
- Fiber Optical Cables