History of the United States II / Unit 3 USH2 0305 short lesson, about 20 seconds
Alternating Current
Captions available
The idea
George Westinghouse founded an electric company in eighteen eighty-six to promote alternating current, a new way to send power.
In practice
Power lines carrying electricity across long distances from a single plant.
Where people slip
Nikola Tesla developed the alternating current system for Westinghouse. Unit four follows electricity into the growing city.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
- Nothing yet depends on this.
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