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Posted by Kriti Sharma 6 years, 1 month ago
- 2 answers
Pradeep Poonia 6 years, 1 month ago
It is connected in forward bias. When light falls on depletion layer, the neutral atoms in depletion layer breaks in hole+electron, holes move towards negetive and electrons move towards positive terminal. Hence current starts flowing.
It is used in burgler alarm, note counting etc.
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Anshu Dwivedi 6 years, 1 month ago
1Thank You