Quote:
Originally Posted by DDToto41
There are no DC power lines. The reason for AC power lines is that there is resistance in the wires and the further the voltage travels the more power is lost (the voltage is lowered) to the resistance, therefore the AC is put through a transformer to bring the voltage back to the original voltage. Back when Edison and Westinghouse powered two different cities, one with AC (Westinghouse) and DC (Edison) they found out that AC was the more practical current to use because the DC would lose its value the farther away it was from the Generator.
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Sorry that was Tesla not Westinghouse. I believe that he started Westinghouse and Edison started GE.