Question

3. Define electrical resistivitry with unit​

Answer 1

Answer:

Electrical Resistance of an object is a measure of its opposition towarss the flow of the electric current. Its SI unit is Ohm.

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Answer 2

Explanation:

The electrical resistivity is the electrical resistance per unit length and per unit of cross-sectional area at a specified temperature. ... The SI unit of electrical resistivity is the ohm⋅metre (Ω⋅m). It is commonly represented by the Greek letter ρ, rho.