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Variation of current passing through a c...

Variation of current passing through a conductor as the voltage applied across its ends is varied as shown in the adjoining diagram. If the resistance (R) is determined at the points A, B, C and D, we will find that

A

`R = R`

B

`R gt R`

C

`R gt R`

D

None of these

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The correct Answer is:
D
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