AC power -...

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AC power   -   ∙ "Alternating current." This type of electrical power system, attributed to  George Westinghouse, had the power to transmit voltages of up to 1000V. The key to  this power was the transformer, which reduced high voltages to safe levels. AC power  became a serious competitor with Edison's DC power because it could transmit over  greater distances at lower costs, although detractors claimed it was unsafe.  DC power   -   ∙ "Direct current." This was Edison's preferred form of electrical power  system. Though it could only transmit voltages up to 240V, it had many advantages in  the battle for electrical dominance. Edison's generators were more advanced and his  systems could transmit power as well as electricity.   -   ∙ This New York City telegraph company provided the young Edison  with his first jobs and invention contracts. Their primary customer was the Stock  Exchange. In 1870 they commissioned Edison to create a printer and a telegraph, 
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This note was uploaded on 12/13/2011 for the course ART 2313 taught by Professor Staff during the Fall '10 term at Texas State.

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AC power -...

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