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 ...

Alternating current (a.c.) is an oscillation of electrons or 'back and forward' movement. One full cycle of alternating current is shown in the diagram below: ...

Nunn contacted Westinghouse, who used Tesla’s theories and designs to build for Nunn the first system in the world using alternating current that was generated, transmitted and sold for industrial ...