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  • The photodiode is used to detect the optical signals. These diodes are preferably operated in reverse biased mode because :     Option

The photodiode is used to detect the optical signals. These diodes are preferably operated in reverse biased mode because :
    

Option: 1

fractional change in majority carriers produce higher forward bias current
 


Option: 2

fractional change in majority carriers produce higher reverse bias current
 


Option: 3

fractional change in minority carriers produce higher forward bias current
 


Option: 4

fractional change in minority carriers produce higher reverse bias current


Answers (1)

best_answer

\rightarrow A photodiode is a special purpose p-n junction diode fabricated with a transparent window to allow light to fall on the diode

\rightarrow It is operated under reverse bias

\rightarrow The fractional change due to the photo-effects on the minority carrier dominated reverse bias current is more easily measurable than the fractional change in the forward bias current.

The correct option is (4)

Posted by

vishal kumar

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