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Q.

What is $ρ$ (rho)?

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a

Resistance

b

Resistivity

c

Conductivity

d

Conductance

answer is B.

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Detailed Solution

$ρ$ (rho) is a constant of proportionality and is the electrical resistivity of the material of the conductor.

$R = ρ \frac{l}{A}$

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What is ρ (rho)?