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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. ...
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 ...
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
Animated tutorial on basic electricity and magnetism including static charge, moving charge, voltage, resistance, and current. Requires flash.
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 ...
All about electric cars : how they work, their pros and cons, and a list of the different models available.
Get to grips with electric circuits in this fun and interactive tutorial.
An interactive multimedia site that allow for charges at any point in a field strength is measure.
How to make a simple electric motor at home.
In a conductor, electric current can flow freely, in an insulator it can not.
Showing 21 - 30 of 93