Difference between revisions of "Electrical resistance"
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(See Ohm's Law.) |
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== R = U/I == | == R = U/I == | ||
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| + | See [[Ohm's Law]]. | ||
<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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| + | ==Links== | ||
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| + | *[http://www.allaboutcircuits.com/vol_1/chpt_2/1.html How voltage, current, and resistance relate] | ||
[[category:electronics]] | [[category:electronics]] | ||
Revision as of 11:41, October 9, 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
See Ohm's Law.
References
- ↑ http://www.answers.com/topic/electrical-resistance-1
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000