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.
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J4-01 PARALLEL PLATE CAPACITOR
Demonstrates that potential difference across a capacitor is proportional to the plate separation
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J4-03: PARALLEL PLATE CAPACITOR - SERIES CAPACITORS
Demonstrate the effect of capacitors in series. Read More
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J4-04 PARALLEL PLATE CAPACITOR - IONIZATION OF AIR
Demonstrates the mobility of ions
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J4-12: ELECTROSTATIC FORCE - MOVING LUMBER
Demonstrate polarization of water molecules. Read More
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J4-13: MATCHSTICK ON NICKLE UNDER GLASS
A simple trick easily solved with the application of electrostatic force and the polar nature of water molecules. Read More
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J4-21: COLOR FILTER MODEL OF CHARGED DIELECTRIC
Represent charge separation in a capacitor dielectric. Read More
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J4-22 PARALLEL PLATE CAPACITOR WITH DIELECTRIC
Demonstrates that inserting a dielectric into a capacitor increases the capacitance Read More
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J4-23: POLARIZATION OF DIELECTRIC - DISSECTIBLE LEYDEN JAR
Demonstrate that energy is stored in a capacitor as charge separation in the dielectric. Read More
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J4-24: FORCE ON DIELECTRIC IN ELECTRIC FIELD
Demonstrate the force on a dielectric in an electric field. Read More
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J4-31 ENERGY STORED IN A CAPACITOR
Demonstrates that energy is stored in a capacitor and how that energy may be used
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J4-32 DISCHARGE OF CAPACITOR WITH BANG
Demonstrates that capacitors store electrical energy
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J4-41: CAPACITORS
Display a variety of capacitors
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J4-42: CAPACITORS IN SERIES AND PARALLEL
Demonstrate the voltage/charge/capacitance relationships in series and parallel capacitor circuits. Read More
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J4-43: CAPACITORS IN SERIES AND PARALLEL WITH PROJECTION METER
Illustrate voltage relations in series and parallel capacitor circuits. Read More
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J4-51: THEREMIN
Demonstrate the theremin Read More
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