Chapter 6
AC Electricity
George Westinghouse was, in my opinion, the only man on this globe who could take my alternating-current system under the circumstances then existing and win the battle against prejudice and money power. He was a pioneer of imposing stature, one of the world’s true noblemen of whom America may well be proud and to whom humanity owes an immense debt of gratitude.—Nikola Tesla, inventor of the alternating current generator
The sine wave that we dissected in the previous chapter is an example of a periodic function, or a function that repeats. When current alternates periodically between positive and negative values it is known as alternating current, or AC. AC electricity has some very unique properties that we will soon ...
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