Difference between revisions of "Electrical resistance"
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| − | Electrical resistance is a measure of how much a metal impedes the flow of electrons. | + | Electrical resistance is a measure of how much a metal impedes the flow of electrons.<ref>http://www.answers.com/topic/electrical-resistance-1</ref> |
The symbol used to represent electrical resistance is R, it's SI unit is the Ohm (Ω). | The symbol used to represent electrical resistance is R, it's SI unit is the Ohm (Ω). | ||
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== R = U/I == | == R = U/I == | ||
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<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> | <ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> | ||
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==References== | ==References== | ||
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[[category:electronics]] | [[category:electronics]] | ||
Revision as of 15:18, September 1, 2007
Electrical resistance is a measure of how much a metal impedes the flow of electrons.[1]
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
- ↑ http://www.answers.com/topic/electrical-resistance-1
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000
