Practice Forward Bias - 2.3.1 | 2. PN Junction Diode and Applications | Electronic Devices 1
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Practice Questions

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Question 1

Easy

What happens to the depletion region when a PN junction is forward biased?

💡 Hint: Think about how the electric field is affected.

Question 2

Easy

What is the threshold voltage for silicon diodes typically?

💡 Hint: Consider the materials used in the diode.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What occurs when a PN junction is forward biased?

  • Depletion region widens
  • Current flows easily
  • No current flows

💡 Hint: Think about the behavior of charge carriers in this situation.

Question 2

True or False: The threshold voltage for a silicon diode is approximately 0.3 V.

  • True
  • False

💡 Hint: Consider the type of semiconductor material.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Considering a silicon diode with a threshold voltage of 0.7 V, calculate the current when 1 V is applied, assuming the reverse saturation current Is is 1 mA and n = 1. The temperature is room temperature (approximately 300 K).

💡 Hint: Calculate using constants and simplify.

Question 2

Design a simple half-wave rectifier circuit using a silicon diode and explain how forward bias behavior contributes to its function.

💡 Hint: Draw the circuit and label the flow of current.

Challenge and get performance evaluation