What is the formula for resistivity?

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Resitivity is the property of a material. It is given in ρ .

R=ρ L/A is the formula.

where , Resitance is directly proportional to Length & Inversely proportional to Area of cross-section of the given material.

The resistivity is also known as the specific resistance of the material.

It is the resistance of a material per unit length and per unit cross-section of that material.

It is the resistance offered by a conductor to the flow of current is called specific resistance or resistivity.