character: Thomas Edison
topic: DC vs AC Power Systems
grade: 11
subject: Physics
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character: Nikola Tesla
topic: Alternating Current (AC) Systems
grade: 11
subject: Physics
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character: George Westinghouse
topic: AC Power Transmission
grade: 11
subject: Physics
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character: Michael Faraday
topic: Electromagnetic Induction
grade: 11
subject: Physics
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