Examveda

What current does $${\text{I}} = {\text{Aq}}\left( {\frac{{{{\text{D}}_{\text{P}}}}}{{{{\text{L}}_{\text{P}}}{{\text{N}}_{\text{D}}}}} + \frac{{{{\text{D}}_{\text{n}}}}}{{{{\text{L}}_{\text{n}}}{{\text{N}}_{\text{A}}}}}} \right){\text{n}}_{\text{i}}^2,$$      represent in p-n junction diode? (Where the symbols have their usual meaning)

A. Forward current

B. Diffusion current

C. Drift current

D. Reverse saturation current

Answer: Option D


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