Two wires made of same material and of same length have their resistance in the ratio 2:3,so the ratio of specific resistance will be
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Explanation:
A is the area of cross section of the wire, that is, square of the radius. In this case, two wires of the same material and same length have radii r1 and r2 respectively are taken. So, the resistance will differ only in the square of the radius. Hence, the ratio of the resistance would be r12:r22 and 1:1.
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