CBSE Class 12-science Answered
The current in the forward bias is know to be more (
mA) than the current in the reverse bias (μA). What is the reason, then, to operate the photodiode in reverse bias?
mA) than the current in the reverse bias (μA). What is the reason, then, to operate the photodiode in reverse bias?
Asked by Topperlearning User | 10 Jul, 2014, 10:05: AM
Expert Answer
Photodiode is used to measure the change in the intensity of light that falls on the PN junction diode. The current due to the change in intensity of light that falls on.
The PN junction. In forward biasing the current is high in comparison to reverse biasing so the change in the current due to light is noticeable only in reverse biasing only, that, way we use photodide is used in reverse biasing.
Answered by | 10 Jul, 2014, 12:05: PM
Concept Videos
-
Applications of p-n Diode - Part 1
This video explains the diode in a forward and a reverse bias. -
PN diode application
Diode V-I characteristics Diode as a rectifier Special purpose diodes. -
Applications of pn Diode
Diode V-I characteristics Diode as a rectifier Special purpose diodes
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