A) is proportional to its length
B) is proportional to the area of cross-section
C) is inversely proportional to the length
D) is inversely proportional to the area of cross-section
E) neither depends on the length nor on the area of cross-section
Correct Answer: E
Solution :
The ratio of the intensity of the electric field\[(E)\]at any point within a conductor and the current density\[(J)\]at that point is called specific resistance or resistivity of the conductor \[\rho =\frac{E}{j}\] Specific resistance is the characteristic of the material of the conductor.
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