Question

what is the SI unit of resistivity?​

Answer 1

Ohmmeter is the SI unit

Answer 2

The SI unit of electrical resistivity is the ohm⋅metre(Ω⋅m). It is commonly represented by the Greek letter ρ, rho. Although the SI resistivity unit, the ohms metre is generally used, sometimes figures will be seen described in terms of ohms centimetres, Ω⋅cm.