Physics, asked by alina6436, 1 year ago

how to find resistivity of iron?

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Answered by Riddhibatra

Answer:

The resistivity of a material is usually represented by the lower-case Greek letter rho (ρ) and is derived from the formula RA/l, where R is the resistance of a uniform specimen of the material, having a length l and a cross-sectional area A. The units of p are ohm-meters.

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