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Standard XII
Physics
Photodiode
Photodiode is...
Question
Photodiode is a device
A
Which is always operated in reverse bias
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B
Which is always operated in forward bias
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C
In which photo current is independent of intensity of incident radiation
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D
Which may be operated in forward or reverse bias
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Solution
The correct option is
B
Which is always operated in reverse bias
A photodiode is designed to operate in reverse bias.
A photodiode is a semiconductor device that converts light into an electrical current
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Similar questions
Q.
Why is the photodiode always operated under reverse bias conditions ? What would happen if it were to be operated under forward bias conditions ?
Q.
The current in the forward bias is known to be more
(
∼
m
A
)
than the current in the reverse bias
(
∼
μ
A
)
. What is the reason, then, to operate the photodiode in reverse bias?
Q.
The current in the forward bias is know to be more (~ mA) than the current in the reverse bias (~
μ
A). What the reason, then to operate the photodiode in reverse bias?
Q.
Why is photodiode operated in the reverse bias?
Q.
Photo-diode is operated in reverse bias because
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