A) is proportional to its length
B) is proportional to the area of cross-section
C) is inversely proportional to the length
D) neither depends on the length nor on the area of cross-section
Correct Answer: D
Solution :
The ratio of the intensities 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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