Question

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

Answer 1

Answer:

ohm

Explanation:

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.