Question

A photodiode is operated under reverse bias although in the forward bias the current is known to be more

Answer 1

Answer:

large reverse bias

Explanation:

Due to large reverse bias a high current gain is achieved in photo diode (Avalanche photo iode)

Answer 2

Answer:

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Explanation:

As fractional change in minority charge carriers is more than the fractional change in majority charge carriers, the variation in reverse saturation current is more prominent.