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The unit of specific resistance is
A
$Ohm/c{m^2}$
B
$Ohm/cm$
C
$Ohm - cm$
D
${(Ohm - cm)^{ - 1}}$
$R = \rho \frac{L}{A} \Rightarrow \rho = \frac{{RA}}{L} = ohm \times cm$
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