character: Thomas Edison
topic: Direct Current (DC) vs. Alternating Current (AC)
grade: 11
subject: Chemistry
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character: Nikola Tesla
topic: Alternating Current (AC) development and advantages
grade: 11
subject: Chemistry
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character: George Westinghouse
topic: Promoting Alternating Current (AC) systems
grade: 11
subject: Chemistry
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character: Benjamin Franklin
topic: Early experiments with electricity
grade: 11
subject: Chemistry
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