Q.

Drift velocity of electrons in a cylindrical conductor is directly proportional to E2 where E is the electric field applied along the axis of the cylinder. For this kind of material, which of the following graphs represents the correct relation between the current through the material (I) and voltage applied across the material (V)?

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a

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b

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c

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d

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answer is A.

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Drift velocity of electrons in a cylindrical conductor is directly proportional to E2 where E is the electric field applied along the axis of the cylinder. For this kind of material, which of the following graphs represents the correct relation between the current through the material (I) and voltage applied across the material (V)?