Electric Fields and Potential
K8-46: Radio Waves & Faraday Cage
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates that radio waves do not penetrate a Faraday cage
J4-24: FORCE ON DIELECTRIC IN ELECTRIC FIELD
Category: J4 Capacitance and Polarization
Purpose:
Demonstrate the force on a dielectric in an electric field.
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.
J3-11: EQUIPOTENTIALS/LINES OF FORCE - ONE CHARGE
Category: J3 Electric Fields and Potential
Purpose:
Aid in visualization of equipotentials and lines of force.
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.
J3-01: EXISTENCE OF ELECTRIC FIELDS
Category: J3 Electric Fields and Potential
Purpose:
Demonstrate the existence of electric fields and to map them semi-quantitatively.
J2-16: ELECTRODELESS DISCHARGE
Purpose:
Demonstrate electrostatic discharge.
P4-51: MILLIKAN OIL DROP MODEL
Category: P4 Nuclei and Particles
Purpose:
Demonstrate geometry for the Millikan oil drop experiment.
P4-41: RUTHERFORD SCATTERING MODEL
Category: P4 Nuclei and Particles
Purpose:
Show difference in scattering from the Thompson and Rutherford models of the nucleus.
P4-05: PHOTOMULTIPLIER TUBE - LARGE
Category: P4 Nuclei and Particles
Purpose:
Show them what a large photomultiplier tube looks like.
A2-17: CLOSED CURVES AND CAPPING SURFACES
Category: A2 Mathematics
Purpose:
Illustrate various complicated closed curves
A2-16: SADDLE POINT MODEL
Category: A2 Mathematics
Purpose:
Illustrate the geometry of a saddle point
J3-02: ELECTRIC FIELD OF RING OF CHARGE - MODEL
Category: J3 Electric Fields and Potential
Purpose:
Aid in the visualization of the electric field of a ring of charge
J4-04 PARALLEL PLATE CAPACITOR - IONIZATION OF AIR
Category: J4 Capacitance and Polarization
Purpose:
Demonstrates the mobility of ions
J3-23 FARADAY CAGE - RADIOWAVES
Category: J3 Electric Fields and Potential
Purpose:
Demonstrates that radio waves cannot penetrate a Faraday cage
J3-21 FARADAY CAGE
Category: J3 Electric Fields and Potential
Purpose:
Demonstrates that the electric field within a closed conducting surface is zero