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hyperphysics

Electric Permittivity and Magnetic Permeability

Definitions of Electric Permittivity and Magnetic Permeability and links to related information.

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How Electric Motors Work

A brief description of how Electric Motors work from HowStuffWorks.com.

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Visible Current

A demonstration of electric currents in a DC circuit

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hyperphysics

Electric Dipole

Definition and links to related information.

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hyperphysics

Cylindrical Polar Coordinates

Explanation with some applications with Schrodinger equation, electric fields and capacitors.

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Gauss' Law

The total of the electric flux out of a closed surface is equal to the charge enclosed divided by the permittivity.

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Electric Blue Sparks

How to build various types of home-made static generators. Good for science projects!

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Ridiculously Sensitive Charge Detector

Using a Field Effect Transistor (FET) to detect external electric fields. A circuit is built and tested.

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How does a toaster work?

A clear, basic explanation that applies to other household appliances that heat up (hair dryer, iron electric heater).

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Deflection of Charges

The site gives a practical demonstration of the deflection of a charge in an electric field.

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