Photodiodes and Their Working Principle
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Questions and Answers

What is the purpose of developing PIN photodiodes?

  • To decrease the voltage drop
  • To increase the sensitivity
  • To increase the response speed (correct)
  • To reduce the dark current
  • Why are photodiodes always connected in reverse bias?

  • To enhance the internal photoelectric effect
  • To decrease the voltage drop
  • To reduce the dark current (correct)
  • To increase the response speed
  • What is the principle behind the operation of a photodiode?

  • Thermoelectric effect
  • Internal photoelectric effect (correct)
  • Electromagnetic induction
  • External photoelectric effect
  • What is a common application of PIN photodiodes?

    <p>High-response speed detection</p> Signup and view all the answers

    How many types of photodiodes are mentioned in the text?

    <p>3</p> Signup and view all the answers

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