Question

Who used Nikola Tesla’s alternating current system at World’s Columbian Exposition at Chicago in 1893?
a) Nathaniel Hawthorne
b) Robert Underwood Johnson
c) Mark Twain
d) George Westinghouse

Answer 1

Ur answer

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$d.....George \: Westinghouse$
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Answer 2

✨Heya!!!!✌

✍Your answer⬇⬇⬇⬇

(D)George Westinghouse

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