No less impressive than the invention of the light bulb by Thomas Edison, widely considered the greatest inventor of his time, was the invention of the electric motor and the discovery of alternating current by Nikola Tesla, Edison’s archrival during the late 19th and early 20th century.
A. was the invention of the electric motor and the discovery of alternating current by Nikola Tesla,
was..x and Y ; SV error : Incoorect
B. was the invention of the electric motor, the discovery of alternating
...
A. was the invention of the electric motor and the discovery of alternating current by Nikola Tesla,
was..x and Y ; SV error : Incoorect
B. was the invention of the electric motor, the discovery of alternating
...
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