Resitances of a wire:it is about how length effects the resistance of a wire.
Date Submitted: 11/20/2004 13:03:28
Category: / Science & Technology / Physics
Length: 3 pages (841 words)
Category: / Science & Technology / Physics
Length: 3 pages (841 words)
Resistance in a wire
Planning -
The resistance of a wire can be affected by certain factors:
Length of wire
Cross sectional area
resistivity (type of metal)
Type of wire
Temperature
I chose to investigate how length affects the resistance in a wire. This means that the other factors (variables) must be controlled. This means I must keep the same type of wire, the same material of wire (a preliminary experiment will help determine this), …
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…would use a longer length of wire to see if the graph of resistance changes from a straight line with a much longer length of wire.
I would also investigate another factor, such as diameter of the wire. I predict that if I did investigate this, when I increased the diameter the resistance would decrease. I would also do the experiments under different conditions such as temperature to see the difference this makes to resistance.
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