KISS
Jul 5, 2009, 07:43 PM
Simple explanation is versions of the following formula R(ohms) = V (Volts)/Amps (Amperes)
Which states that in a resistive circuit, the voltage across the device divided by the current through he device is the constant R measured in Ohms named after it's discoverer.
The big version:
Ohm's law - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Ohms_law)