On Mon, 25 Nov 2013 19:54:22 -0600, Nightcrawler® wrote:
Read until you get to semi-conductors. Then read again:
This reference from Smith College, Northampton, MA:
http://www.science.smith.edu/~jcarde...ecPwr_HSW.html
Says:
"The power company essentially uses the earth as one of
the wires in the power system. The earth is a pretty good
conductor and it is huge, so it makes a good return path
for electrons."
That's from an EE class:
http://www.science.smith.edu/~jcardell/Courses/EGR220/
EGR 220, Spring 2013, Engineering Circuit Theory
Taught by Judith Cardell, who researches this stuff:
http://www.science.smith.edu/~jcardell/
She should know, shouldn't she?