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The inverse saturation current in a P-N junction diode at \mathrm{27^{\circ}C}  is \mathrm{10^{-5}} ampere. The value of forward current at 0.2 volt will be:

Option: 1

\mathrm{2037.6 \times 10^{-3} \mathrm{~A}}


Option: 2

\mathrm{203.76 \times 10^{-3} \mathrm{~A}}


Option: 3

\mathrm{20.376 \times 10^{-3} \mathrm{~A}}


Option: 4

\mathrm{2.0376 \times 10^{-3} \mathrm{~A}}


Answers (1)

best_answer

\mathrm{\begin{aligned} &\begin{aligned} & \mathrm{t}_t=\mathrm{I}_s\left[\mathrm{e}^{\frac{\mathrm{qV}}{\mathrm{kt}}}-1\right] \\ &=10^{-5} \times\left[\exp .\left(\frac{1.6 \times 10^{-19} \times 0.2}{1.4 \times 10^{-23} \times 300}\right)-1\right] \end{aligned}\\ &=10^{-5} \times[2038.6-1]=20.376 \times 10^{-3} \mathrm{~A} \end{aligned}}

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jitender.kumar

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