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In a forward bias photo diode an increase in incident light intensity causes diode current to
  • a)
    Increase
  • b)
     Remains constant
  • c)
    Decrease
  • d)
    Remains constant, while voltage drop across diode increases
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In a forward bias photo diode an increase in incident light intensity ...
Due to light new electrons and hole pairs are produced.
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Most Upvoted Answer
In a forward bias photo diode an increase in incident light intensity ...

Forward Bias Photo Diode Response to Increased Light Intensity

Increasing the incident light intensity in a forward bias photo diode affects the diode current. Let's break down how this happens:

Effect on Diode Current:
- An increase in incident light intensity leads to more photons being absorbed by the diode's semiconductor material.
- These absorbed photons generate electron-hole pairs, increasing the number of charge carriers in the material.
- As a result, more charge carriers are available for conduction, leading to a higher diode current.

Therefore, the diode current in a forward bias photo diode will increase in response to an increase in incident light intensity. This is a key characteristic of photo diodes and is utilized in various applications such as light detection and optical communication systems.
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In a forward bias photo diode an increase in incident light intensity causes diode current toa)Increaseb)Remains constantc)Decreased)Remains constant, while voltage drop across diode increasesCorrect answer is option 'A'. Can you explain this answer?
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