Alternate current (AC) is the type of electricity typically used in households. With AC, the magnitude and direction of electricity vary. Direct current (DC) is a source of electricity that does not vary in direction. An example of a DC sou...
http://wiki.answers.com/Q/What_is_the_difference_betwee...
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Difference between dc and ac: ... A basic direct current (dc) circuit is simple enough to understand. A source of electrical force (e.g. a battery) is connected via wires to various components with a return path to the source. Current then circulates through the circuit in a particular direction.
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easyelectronics.tripod.com/dcac.htm
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With direct current (DC) the direction in which the electrons move from the power source into the device does not change. They go in one electrode and come out the other. With alternating current (AC) the direction in which the electrons fl...
http://www.answerbag.com/q_view/645899
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In 1887 direct current (DC) was king. At that time there were 121 Edison power stations scattered across the In the end, Westinghouse's AC prevailed. But this special feature isn't about the two electrical systems and how they worked. Rather, it's a simple explanation that shows the difference between AC and DC.
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www.pbs.org/wgbh/amex/edison/sfeature/acdc.html
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Alternating current (AC) electricity is the type of electricity commonly used in homes and businesses throughout the world. While direct current (DC) electricity flows in one direction through a wire, ... What is the difference between AC and DC electricity? ... Electrons alternate directions in AC electricity...
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www.school-for-champions.com/science/ac.htm
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Direct current or DC electricity is the continuous movement of electrons from an area of negative (−) charges to an area of positive (+) charges through a conducting material such as a metal wire. ... Electricity - Difference between AC and DC...
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www.school-for-champions.com/science/dc.htm
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Which way does the current go? Negative to positive? ... What's the difference between voltage and current? ... What is alternating and direct current? AC versus DC?"
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amasci.com/elect/elefaq.html
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Core Unit III: Electricity; B. Current and Potential Difference ... Direct current (DC) involves the continuous flow of electrons in the same direction. ... Explain the difference between direct and alternating current.
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www.sasked.gov.sk.ca/docs/physics/u3b13phy.html
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Alternating current - Wikipedia, the free encyclopedia
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In alternating current ( AC, also ac ) the movement (or flow) of electric charge periodically reverses direction. An electric charge would for instance move forward, then backward, then forw...
en.wikipedia.org/wiki/Alternating_current
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