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What are the two factors on which the resistance of a cylindrical conductors depends?
Wiki User
∙ 11y ago
For conductor the resistance (R) is directly proportional to the length (L) of the conductor, and the area of cross-section (A).
When you stretch the conductor to increase its length, its area of cross-section will decrease. The decrease in area of cross-section can be found in the following way:
The volume of the cylinder will remain same. The initial volume of the cylinder is = A Х L
Suppose, the area of cross-section becomes A/ and the resistance becomes R/.
Hence, the resistance increases 4 times.
Hope this helps you,
Keep posting and have a nice day!
Wiki User
∙ 11y ago
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