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Physics 1 - Electric Field

Interactive site calculating electric field strengths and drawing electric field diagrams in a variety of situations. a useful help to A-level and College studies

http://www.phys.ufl.edu/~phy3054/elecstat/efield/Welcome.html

If an electric current flows through a conductor in a magnetic field, the magnetic field exerts a transverse force on the moving charge carriers which tends to push them to one side of the conductor. ...

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/hall.html#c1

Magnetic Field

Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits. The magnetic field B is defined in ...

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/magfie.html#c1

Lightning

Models for the charge buildup which leads to lightning discharges suggest a buildup of a strong negative charge layer near the bottom of the cloud and the formation of a positive ground shadow

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/lightning.html#c1

IPPEX Interactive Electricity and Magnetism

Animated tutorial on basic electricity and magnetism including static charge, moving charge, voltage, resistance, and current. Requires flash.

http://ippex.pppl.gov/interactive/electricity/intro.html

Electric Shock

The primary variable for determining the severity of electric shock is the electric current which passes through the body. This current is of course dependent upon the voltage and the resistance of ...