What critical device did Nikola Tesla develop that utilized AC technology?
Answer
Polyphase alternating-current induction motor
Nikola Tesla was responsible for several key scientific and engineering breakthroughs that underpinned the viability of Alternating Current (AC) power systems. Among his most significant contributions was the development of the polyphase alternating-current induction motor. This innovation was vital because it created a practical, efficient application for AC power beyond mere lighting, enabling the running of nascent industrial machinery. Coupled with his fundamental understanding of voltage transformation via transformers, the induction motor provided the demand side justification necessary for building the large-scale, efficient AC transmission networks championed by George Westinghouse.
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