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Resistivity

The unit of r...

Question

The unit of resistivity is:

A

Ω

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B

Ω / m

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C

Ω-m

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D

mho

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Solution

The correct option is C
Ω-m

R = ρ $\frac{L}{A}$

=>ρ= R $\frac{A}{L}$ = Ω * m²/m = Ω-m

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