Answer to Question #159249 in Electric Circuits for Satyam

Question #159249

Explain resitivity in simple words


1
Expert's answer
2021-01-28T20:10:33-0500

The electrical resistivity is a measure of how strong the material opposes the flow of electric current. The SI unit of electrical resistivity is the ohm-meter (Ωm\Omega\cdot m). The electrical resistivity can be written as follows:


ρ=RAl,\rho=R\dfrac{A}{l},

here, RR is the electrical resistance of the material, AA is the cross-sectional area of the material, ll is the length of the material.


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