Polarization of charge of water molecules in a wooden
2X4 allows 2X4 to be moved by nearby charged rod.
Chapter 19: The Electric Field II: Continuous Charge
Distributions
- J3-01 EXISTENCE OF ELECTRIC FIELDS
- J3-03 ELECTRIC FIELD LINES
- Show electric field lines for various conductor geometries.
- J1-24 ELECTROSTATIC HAIR RAISING
- Classic demonstration.
- J2-15 ELECTROSTATIC SMOKE PRECIPITATOR
- J3-02 ELECTRIC FIELD OF RING OF CHARGE -
MODEL
- Standard problem geometry.
Chapter 20: Electric Potential
- J3-24 HOLLOW CONDUCTING SPHERE
- J3-06 ELLIPSOIDAL CONDUCTOR
- J3-22 FARADAY CAGE - ELECTROSCOPE
- Classical electrostatics demonstrations.
- J2-03 VAN DE GRAAFF GENERATOR WITH
GROUND SPHERE
- Enhance text material on how generator works.
- J2-14 LIGHTNING ROD SIMULATOR
- Shows how the lightning rod works by discharging nearby
clouds before the lightning stroke can occur.
Chapter 21: Capacitance, Dielectrics and Electrostatic
Energy
- J4-01 PARALLEL PLATE CAPACITOR
- J4-22 PARALLEL PLATE CAPACITOR WITH DIELECTRIC
- Show Voltage vs. Separation, then discharge with match.
- J4-23 POLARIZATION OF DIELECTRIC -
DISSECTIBLE LEYDEN
JAR
- Illustrates that the energy stored in a capacitor
resides as polarization within the dielectric.
- J4-42 CAPACITORS IN SERIES AND PARALLEL
Chapter 22: Electric Current
- K5-31 OHM'S LAW
- K5-43 NON-OHMIC DEVICE - V VS. I
Chapter 23: Direct-Current Circuits
- K6-51 KIRCHOFF'S LAWS
- Circuit with two loops (Transparency available.).
- K6-23 HOT DOG COOKER - 110VAC
- Cook hot dog, calculate energy consumed, and
compare with heat energy in hot dog.
- K6-33 WHEATSTONE BRIDGE
- K7-11 RC CIRCUIT - RC TIME CONSTANT - OSCILLOSCOPE
- Trace V vs. t for capacitor charging and discharging
with approximately 1 second time constant.
- K7-43 RELAXATION OSCILLATOR - NEON LAMP
- Capacitor charges through resistor such that when it
reaches 90 V it discharges through neon bulb.
- K7-41 RC CIRCUIT - DIFFERENTIATION AND INTEGRATION
- Illustrates differentiation and integration circuits
for sine, square, sawtooth and pulse train.
Chapter 24: The Magnetic Field
- J5-01 MAGNETIC FIELD OF A BAR MAGNET
- J5-16 MAGNETIC FIELD AROUND WIRE, LOOP, SOLENOID
- J5-03 MAGNETIC FIELD OF A BAR MAGNET - 3D
VERSION
- Use iron filings to display magnetic fields.
- K1-12 CATHODE-RAY TUBE - DEFLECTION BY MAGNET
- K1-14 OSCILLOSCOPE CRT - DEFLECTION BY MAGNET
- K1-15 OSCILLOSCOPE CRT - DEFLECTION BY ELECTRIC
FIELD
- Classical demonstrations.
- K1-21 TORQUE ON CURRENT LOOP IN MAGNETIC FIELD
Chapter 25: Ampere's Law
- J5-15 MAGNETIC FIELD OF RING OF CURRENT -
MODEL
- 3D model aids visualization.
- K1-01 FORCE BETWEEN CURRENT-CARRYING WIRES
- K1-03 FORCE ON CURRENT IN MAGNETIC
FIELD
For commnets or constructive criticism of this document please
e-mail Dr. Richard Berg,rb22@umail.umd.edu, or send comments
by phone or to the mailing address on the home page.
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