Resistivity of conductor is represented as.

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Ω

ρ

σ

answer is B.

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Detailed Solution

Resistivity of conductor is represented as by

ρ

(rho). Resistivity is a property of material due to which it resists electric current. Resistivity is also known as Specific resistance. The SI unit of resistivity is

Ωm

. Relation between resistivity and resistance is given below. Resistivity

(ρ) = \frac{R \times A}{l}

Where,
R= resistance of the conductor
A= area of cross-section of the conductor
l = length of the conductor
The resistivity of a substance is not influenced by its length or thickness. Instead, it depends on the nature of the substance and temperature.

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