Helium.com | Physics | Alternating current (AC) and direct current (DC): A simple explanation

Helium.com | Physics | Alternating current (AC) and direct current (DC): A simple explanation http://www.helium.com./knowledge/19987-alternating-current-ac-and-direct-current-dc-a-simple-explanation.xml Helium.com > Physics > Alternating current (AC) and direct current (DC): A simple explanation en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT