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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define forward bias in a semiconductor diode.
💡 Hint: Think about what happens when a battery is connected to a diode.
Question 2
Easy
What is the effect of forward bias on the depletion region?
💡 Hint: Visualize how the barrier potential changes.
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 happens when a diode is forward biased?
- Depletion region widens
- Current flows easily
- Current flows in both directions
💡 Hint: Remember how the ends of the diode are connected to the battery.
Question 2
True or False: In forward bias, the barrier potential prevents current flow.
- True
- False
💡 Hint: Consider what forward bias does to the barrier.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Describe the current-voltage characteristic of a p-n junction diode under forward bias and derive the mathematical expression relating current to applied voltage.
💡 Hint: Look at exponential functions and how they grow.
Question 2
A silicon diode has a forward voltage of 0.7V when conducting. What is the expected current flow if I0 = 1μA?
💡 Hint: Consider what the exponential growth implies for small changes in voltage.
Challenge and get performance evaluation