Difference between revisions of "Electrical resistance"
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(See Ohm's Law.) |
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| − | Electrical resistance is a measure of how much a | + | '''Electrical resistance''' is a measure of how much a substance impedes the flow of [[electrons]].<ref>http://www.answers.com/topic/electrical-resistance-1</ref> Resistance is represented with the symbol ''R'', it's [[SI]] unit is the [[Ohm]] (Ω). |
| − | + | Resistance is in a circuit can be calculated by the [[voltage]] divided by the [[current]] (R = V / I). | |
| − | + | ==See Also== | |
| − | + | *[[Ohm's Law]] | |
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==References== | ==References== | ||
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==Links== | ==Links== | ||
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*[http://www.allaboutcircuits.com/vol_1/chpt_2/1.html How voltage, current, and resistance relate] | *[http://www.allaboutcircuits.com/vol_1/chpt_2/1.html How voltage, current, and resistance relate] | ||
[[category:electronics]] | [[category:electronics]] | ||