Electrostatics
J1-14: Electrostatic Induction - Attracting a Can
Category: J1 Electrostatic Charge and Force
Purpose:
To illustrate electrostatic induction and the force between charged objects
K5-04: PIEZOELECTRIC GUN
Category: K5 Electrical Properties of Matter
Purpose:
Application of piezoelectricity to produce copious quantities of electric charge.
J4-13: MATCHSTICK ON NICKLE UNDER GLASS
Category: J4 Capacitance and Polarization
Purpose:
A simple trick easily solved with the application of electrostatic force and the polar nature of water molecules.
J4-12: ELECTROSTATIC FORCE - MOVING LUMBER
Category: J4 Capacitance and Polarization
Purpose:
Demonstrate polarization of water molecules.
J3-22: FARADAY CAGE - ELECTROSCOPE
Category: J3 Electric Fields and Potential
Purpose:
Demonstrate that the electric field within a closed surface is zero.
J3-07: VAN DE GRAAFF - DISCHARGE TO VARIOUS RADII
Category: J3 Electric Fields and Potential
Purpose:
Demonstrate that for a charged conductor a smaller radius produces a higher electric field.
J3-05: VAN DE GRAAFF - INDUCTION WITH SPHERES AND NEON BULB
Category: J3 Electric Fields and Potential
Purpose:
Demonstrate the existence of electric fields and to identify the polarity of the charge on a sphere.
J3-04: ELECTRIC FIELD LINES - SOAP BUBBLES
Category: J3 Electric Fields and Potential
Purpose:
Show the shape of electric field lines for a large dipole by observing soap bubbles move along the lines.
J2-32: JACOB'S LADDER - PORTABLE
Purpose:
Demonstrate Jacob's ladder.
J2-17: ELECTRIC WIND
Purpose:
Demonstrate the "electric wind" phenomenon.
J2-16: ELECTRODELESS DISCHARGE
Purpose:
Demonstrate electrostatic discharge.
J2-12: FRANKLIN'S WHEEL - AC
Purpose:
Demonstrate Franklin's wheel in a disturbing way.
J2-11: FRANKLIN'S WHEEL
Purpose:
Demonstrate an electrostatic rotator.
J2-02: KELVIN ELECTROSTATIC GENERATOR
Purpose:
Demonstrate the Kelvin electrostatic generator.
J2-01: WIMSHURST MACHINE
Purpose:
Generate high electrostatic potentials.
J1-41: CONDUCTORS AND INSULATORS
Category: J1 Electrostatic Charge and Force
Purpose:
Demonstrate the difference between materials that conduct electricity and those that do not.
J1-29: VAN DE GRAAFF - PENDULUM
Category: J1 Electrostatic Charge and Force
Purpose:
Demonstrate electrostatic force.
J1-27: QUALITATIVE EXISTENCE OF ELECTROSTATIC FORCES
Category: J1 Electrostatic Charge and Force
Purpose:
Demonstrate the existence of electrostatic forces.
J1-23: ELECTRIC CHIMES
Category: J1 Electrostatic Charge and Force
Purpose:
Demonstrate electrostatic forces.
J1-13: ELECTROSTATIC INDUCTION
Category: J1 Electrostatic Charge and Force
Purpose:
Illustrate charging by induction.
-
K5-01: PIEZOELECTRICITY
Demonstration of a piezoelectric crystal Read More
-
K5-02: PIEZOELECTRIC CRYSTAL - AUDIBLE
Demonstrate that a piezoelectric crystal converts electrical impulses into physical vibrations Read More
-
K5-03: PIEZOELECTRIC IGNITOR
Show a commercial use for piezoelectricity Read More
-
K5-04: PIEZOELECTRIC GUN
Application of piezoelectricity to produce copious quantities of electric charge Read More
-
K5-11: BATTERY MODEL
Simple model of a battery using a human as the source of energy Read More
-
K5-12 BATTERY AND CURRENT - WORKING MODEL
Model of battery with circuit attached
Read More
-
K5-13: ELECTRIC CURRENT - MODEL
Indicate how electrons really flow through a conductor Read More
-
K5-14: ELECTRIC CELL
Demonstrate how an electric cell is formed Read More
-
K5-16: CARRIER CURRENT DENSITY MODEL
Model the density of carriers crossing a plane Read More
-
K5-21: AC PLUG CIRCUIT CHECKER
Check the wiring of 110VAC power sockets Read More
-
K5-22: AC PLUG CIRCUIT CHECKER CHECKER
Demonstrate each different kind of wiring error Read More
-
K5-23: ROTATING TWO-COLOR LED
Demonstrate that what comes out of a 110 VAC plug is in fact alternating current Read More
-
K5-31 OHM'S LAW
Demonstrates relationship between current, voltage, and resistance Read More
-
K5-32: RESISTANCE VS DIAMETER AND LENGTH
Determine how resistance varies as a function of diameter and length for the same material Read More
-
K5-33 CONDUCTIVITY OF SALT SOLUTION
Shows that pure water is not conducting, but a solution of an electrolyte is conducting
Read More
-
K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER
Show that the resistance of copper changes linearly with temperature Read More
-
K5-35: RESISTORS AT LN TEMPERATURE
Illustrate materials with both positive and negative temperature coefficients of resistivity Read More
-
K5-36: RESISTORS AT LN TEMPERATURE - LIGHT BULB INDICATOR
Demonstrate materials with both positive and negative temperature coefficients of resistance Read More
-
K5-41: V-I CURVES FOR OHMIC AND NON-OHMIC DEVICES
Illustrate resistive properties of resistors and diodes Read More
-
K5-42: TRANSISTOR
Demonstrate a transistor circuit Read More
-
K5-43: NON-OHMIC DEVICE - V VS. I
Demonstrates the non-linearity of the V vs I curve for a diode
Read More
-
K5-44: NON-OHMIC DEVICE - LIGHT BULB
Show the change in resistance of a light bulb with temperature Read More
-
K5-45: SEMICONDUCTOR MODEL
Model of semiconductor Read More
- 1