An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...

An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...

Direct current required thousands of little power plants at every mile, while alternating current allowed one source to power a much larger area. Alternating current transformed daily life in the ...