Question

what is resistivity and its types​

Answer 1

Answer:

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.

Explanation:

I hope it helps you

Answer 2

Answer:

Resistance is a measure of the opposition to current flow in an electrical circuit.

Resistance is measured in ohms, symbolized by the Greek letter omega (Ω)

Explanation:

Resistance is tendency so it doesn't have any type

but resistor does as they are machines for resistance

hope it helps