Exam-style question
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How does light intensity affect the photocurrent in a photodiode?.
- A.Photocurrent increases with light intensity
- B.Photocurrent decreases with light intensity
- C.Photocurrent remains constant regardless of light intensity
- D.Photocurrent is independent of light intensity
Model answer
What a good answer should say
- Photocurrent increases with light intensity
Explanation
Why this works
As the intensity of light increases, more photons are absorbed by the photodiode, resulting in a higher photocurrent due to increased electron-hole pair generation.
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