Topic:
Resistance Of A Wire
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Resistance of a Wire
Answers to Common Questions
The total length of the wire will affect the amount of resistance. The longer the wire, the more resistance that there will be!
The resistance for a wire is given by the formula R = L/A, where is the resistivity of the material the wire is made of, L is the length of the wire, and A is the cross-sectional area of the wire.
The resistance of a wire is directly proportional to its length. If length of the wire is increased, it increases the resistance.
More Common Questions
Answers to Other Common Questions
A wire has more resistance if it is long and thing. A wire has less resistance if it is short and fat. This is because in the long thin wire, there is less 'room' for the electrons to flow through and there are more fixed atoms for the elec...
http://uk.answers.yahoo.com/question/index?qid=20090126...
That is the whole point. The outermost electrons of a conductor are bound very weakly to their specific atoms and with a slight push are relatively free to move about. This compares with insulators where the electrons are bound tightly to t...
http://en.allexperts.com/q/1358/4044181.htm
No, unless you are talking about Cat 5 type cable.
http://www.blurtit.com/q4445642.html
When blasting with Zinc Cut Wire a thin layer of zinc is deposited on the parts being blasted. As far as how much corrosion resistance this process offers is difficult to answer. Cycle times, wheel horsepower, diameter of the wheel, exposur...
http://www.abrasivematerials.com/ask-an-expert/zinc-cor...
* Teacher introduces and explains the apparatus that students would be using in checking this out.
http://www.edb.gov.hk/index.aspx?langno=2&nodeID=2315
ERROR ALERT Most answers missed the fact in the question that the poster is only connecting one wire at a time. The bulb will never light. NOTE that you need to use TWO wires to connect a battery to a bulb, and ideally they should be the sa...
http://answers.yahoo.com/question/index?qid=20080324061...
Ohms law states that if the cross section of the wire is uniform then the resistance is proportional to the length and inversely proportional to the area of the cross section. The diameter of the wire will have an affect on the resistance o...
http://roman-rodrigues.blogspot.com/2008/02/what-factor...
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