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>>Class 12
>>Physics
>>Semiconductor Electronics: Materials, Devices and Simple Circuits
>>V-I Characteristics of a P-N Junction Diode
>> $From the graph between current I and vol$

Question

From the graph between current $I$ and voltage $V$ shown below,identify the portion corresponding to negative resistance

1815210

A

$A B$

B

$B C$

C

$C D$

D

$D E$

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Solution

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Correct option is C)

we know that $R = \frac{V}{I} = \frac{1}{slope of I-V graph}$
at CD slope is neagtive, so resistance is negative.
Hence option C is correct

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