Question

1) what do you understand by Rho write its symbol and derivation .​

Answer 1

Answer:

high resistivity designates poor conductors. 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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Answer 2

Answer:

i understand that it is a very good thing and i learned a lot of good things from it