Question

The unit of specific resistance of a material in si system is

Answer 1

hey there may the following answer will help you

The metric unit for specific resistance is the ohm-meter (Ω-m), or ohm-centimeter (Ω-cm), with 1.66243 x 10-9 Ω-meters per Ω-cmil/ft (1.66243 x 10-7 Ω-cm per Ω-cmil/ft).

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Answer 2

The unit of specific resistance of a material in SI system is $\Omega-m$.

Explanation:

The resistance of any material in terms of its resistivity is given by :

$R=\rho \dfrac{L}{A}$

L is the length of the material

A is the area of cross section of the material

$\rho=\dfrac{RA}{L}$

Writing the resistance, length and area of material in terms of its SI units, we get the value of SI units of resistivity as:

$\rho=\dfrac{\Omega -m^2}{m}$

$\rho=\Omega-m$

So, the unit of specific resistance of a material in SI system is $\Omega-m$. Hence, this is the required solution.

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