Nikola-Tesla-Master-Of-Imagination_page_4

Nikola-Tesla-Master-Of-Imagination | page 4 | https://thedailydialectics.com/pdfs/tesla/Nikola-Tesla-Master-Of-Imagination/Nikola-Tesla-Master-Of-Imagination.pdf

The first commercially generated power was direct current. Although alternating current could be more efficiently transmitted, it was not used because no satisfactory alternating current motor had been developed. Tesla pondered this problem for many years. Finally, while walking through a park in…