Multiple choice question XIII — task. Science CBSE, Class 10.

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The

$V-I$ graph is given for two conductors of same area and length. If

$\sigma_1$ and

$\sigma_2$ are the conductivities of the conductors

$1$ and

$2$ respectively,

$\frac{\sigma_1}{\sigma_2}\ =$

$2\ :\ 1$
$3\ :\ 1$
$1\ :\ \sqrt{2}$
$1\ :\ 3$

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