Questions
A photo diode is used in reverse bias condition because
a
it’s convenient for usage
b
The current in forward bias is more than reverse bias current
c
A photo diode cannot detect forward bias current
d
Fractional change due to the photo effects on the minority carrier dominated reverse bias current is more easily measurable than that of forward bias current
detailed solution
Correct option is D
Connection in reverse biasing increase the size of depletion layer , which increases the generation of new electron-hole pairs.Talk to our academic expert!
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The photo cells which supply current without any external emf are
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