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If the forward bias voltage a p-n juncti...

If the forward bias voltage a `p-n` junction diode is changed form 0.7 V to 2.2 V, the forward current changes by 1.5 mA, the forward resistance of diode is

A

`100 Omega`

B

`500 Omega`

C

`1000 Omega`

D

`500A`

Text Solution

Verified by Experts

The correct Answer is:
C
`r_f=(DeltaV)/(DeltaI)=(2.2-0.7)/(1.5xx10^(-3))=1000Å`
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