character: George Westinghouse
topic: Promoting Alternating Current (AC) systems
grade: 11
subject: Chemistry
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character: Nikola Tesla
topic: Development of AC induction motors
grade: 11
subject: Chemistry
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character: Thomas Edison
topic: Opposition to AC systems and promotion of DC
grade: 11
subject: Chemistry
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character: William Stanley
topic: Implementation of transformer technology for AC distribution
grade: 11
subject: Chemistry
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