1.

The current-voltage graph of a device is shown in figure. The resistance is negative in region. A. `AB`B. `BC`C. `ABC`D. None of these

Answer» Correct Answer - a
`R=(DeltaV)/(Deltai)` is negative, when current decreases with increase of potential difference. This is exhibited by part `AB`.


Discussion

No Comment Found

Related InterviewSolutions