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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to the reverse saturation current when temperature increases?
💡 Hint: Think about the effect of thermal energy on particles.
Question 2
Easy
Does the threshold voltage increase or decrease with higher temperatures?
💡 Hint: Remember how the diode turns ON more easily as temperature rises.
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 to the reverse saturation current as the temperature increases?
- Increases exponentially
- Decreases linearly
- Remains constant
💡 Hint: Consider how temperature influences particle dynamics.
Question 2
True or False: The threshold voltage increases with higher temperature.
- True
- False
💡 Hint: Remember the relationship between temperature and diode conduction.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A PN junction diode has a reverse saturation current of 1 microamp at 25°C. Calculate the saturation current at 75°C, assuming an exponential increase with temperature with a coefficient of 0.3.
💡 Hint: Exponential functions multiply; think of how many times the current increases.
Question 2
If a diode's threshold voltage decreases by 0.2V for every 10°C increase, calculate the new threshold voltage at 80°C if it started at 0.7V at 20°C.
💡 Hint: Apply the decrement to the original value based on the temperature change.
Challenge and get performance evaluation