How does the resistance of a conductor depend on its length and cross-sectional area?

The resistance of the conductor, its length and cross-sectional area are interconnected by a relationship described by the following formula:

R = p * l / S, where

R is the required resistance of the conductor;

p is the resistivity of the conductor material;
l is the length of the conductor;

S is the cross-sectional area of the conductor.



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