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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What occurs when a PN junction is in forward bias?
💡 Hint: Think about what happens to the junction when you apply a positive voltage to the p-side.
Question 2
Easy
What is a depletion region?
💡 Hint: This region is crucial for the functioning of 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 effect does forward bias have on a PN junction?
- Widen the depletion region
- Narrow the depletion region
- No effect
💡 Hint: Think about how the applied voltage influences charge carriers.
Question 2
True or False: A PN junction diode allows current flow in both directions.
- True
- False
💡 Hint: Consider the definition of a diode.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a circuit using a PN junction diode to achieve rectification of an AC signal. Explain how you would bias the diode and the expected output.
💡 Hint: Consider how the diode's behavior changes with AC voltage.
Question 2
Calculate the effect of increasing temperature on the reverse saturation current and threshold voltage of a PN junction in a given circuit. Discuss the implications.
💡 Hint: Apply the diode equation and use temperature dependence principles.
Challenge and get performance evaluation