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  • The inverse saturation current in a P-N junction diode at is <img al

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

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


Option: 2

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


Option: 3

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


Option: 4

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


Answers (1)

best_answer

\mathrm{\begin{aligned} I_f=I_s & {\left[e^{\frac{q V}{k t}}-1\right] } \\ & =10^{-5} \times\left[\exp \cdot\left(\frac{1.6 \times 10^{-19} \times 0.2}{1.4 \times 10^{-23} \times 300}\right)-1\right] \\ & =10^{-5} \times[2038.6-1]=20.376 \times 10^{-3} \mathrm{~A} \end{aligned}}

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Nehul

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