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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the Ohmic region in JFET characteristics?
💡 Hint: Think about how the JFET interacts with small voltage.
Question 2
Easy
What happens to the drain current at V_GS(off)?
💡 Hint: Consider the effect of the cutoff voltage!
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 in the Ohmic region of a JFET?
- Current is constant
- Behaves like a variable resistor
- Channel is closed
💡 Hint: Consider how the JFET reacts to low voltages.
Question 2
True or False: In the Saturation region, drain current increases indefinitely with V_DS.
- True
- False
💡 Hint: Think about what happens beyond a certain V_DS.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A JFET has I_DSS of 15 mA and V_GS(off) of -4V. Calculate the drain current at V_GS of -2V.
💡 Hint: Use Shockley’s equation and carefully handle the negatives.
Question 2
Discuss how varying V_GS affects I_D and how this impacts amplifier design using JFETs.
💡 Hint: Consider the advantages of using JFET in low signal applications.
Challenge and get performance evaluation