Difference between revisions of "Electrical resistance"
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Revision as of 04:30, July 27, 2007
Electrical resistance is a measure of how much a metal impedes the flow of electrons.
The symbol used to represent electrical resistance is R, it's SI unit is the Ohm (Ω).
Resistance is defined as the potential difference divided by the current:
R = U/I
References
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000