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

`R_(C)= R_(D)`

`R_(B) gt R_(A)`

`R_(C) gt R_(B)`

`R_(A) gt R_(B)`

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