Electric Current

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Electric current is the rate at which electrons flow through a cross section of a wire. This Demonstration illustrates the motion of this directed flow, which is random zig-zag at a microscopic level, causing the electrical resistance. The unit for electric current is the ampere, equal to 1 coulomb per second.

Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA




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