Physics, asked by shraddhamshah21, 1 month ago

* The resistance of a conductor of length x is r. If its area of cross-section is a, what is its resistivity? What is its unit?

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Answered by anjalirehan04

Resistivity, commonly symbolized by the Greek letter rho, ρ, is quantitatively equal to the resistance R of a specimen such as a wire, multiplied by its cross-sectional area A, and divided by its length l; ρ = RA/l. The unit of resistance is the ohm.

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