When the forwward bias voltage of a diode is changed from `0.6` V to `0.7` V the current changes from 5 mA to 15 mA. Then its forward bias resistance
When the forwward bias voltage of a diode is changed from `0.6` V to `0.7` V the current changes from 5 mA to 15 mA. Then its forward bias resistance is
A. 100 `Omega`
B. 200 `Omega`
C. 300 `Omega`
D. 400 `Omega`
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Correct Answer - C
`R_f = (DeltaV)/(DeltaI)=(2-0.8)/(4xx10^(-3)) = (1.2xx10^3)/4 = 300 Omega`
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