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# What is the conductance of a wire of resistance $2\;m \sigma$ ?

$\begin{array}{1 1} 500\;s \\ 100\;s \\ 40\;s \\ 67\;s \end{array}$

Conductance $G= \large\frac{1}{R}=\frac{1}{2 \times 10^{-3}}$
$\qquad=500\;s$
Answer : $500\;s$