The photodiode is used to detect the optiocal signals. Thes…

Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 4 PCB MCQ (Single Correct)

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

fractional change in majority carriers produce higher forward bias current

fractional change in majority carriers produce higher reverse bias current

fractional change in minority carriers produce higher forward bias current

fractional change in minority car

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The correct answer is:

Photodiode is used in reverse bias because very small change in minority change carriers produces high value of reverse bias current.

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