character: Thomas Edison
topic: Alternating Current vs. Direct Current Systems
grade: 12
subject: Physics
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character: Nikola Tesla
topic: Development of Alternating Current
grade: 12
subject: Physics
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character: George Westinghouse
topic: Advocacy for Alternating Current Systems
grade: 12
subject: Physics
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character: Michael Faraday
topic: Electromagnetic Principles Related to Current
grade: 12
subject: Physics
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