Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does JFET stand for?
💡 Hint: Think about the full form of JFET.
Question 2
Easy
Is a JFET a voltage-controlled or current-controlled device?
💡 Hint: Remember how it regulates current flow.
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 type of device is a JFET?
- Current-controlled
- Voltage-controlled
- Magnet-controlled
💡 Hint: Think about what governs the flow in JFET.
Question 2
The cut-off voltage of JFET refers to what?
- True
- False
💡 Hint: Recall what happens when the voltage reaches this threshold.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a JFET has a maximum drain current of 10 mA at VGS=0V and the cut-off voltage is -3V, what will be the drain current at VGS=-1.5V?
💡 Hint: Substitute your known values carefully into Shockley’s equation.
Question 2
Describe the significance of controlling current by gate voltage in practical applications. How does this feature benefit electronic designs?
💡 Hint: Consider the impact on efficiency in circuits.
Challenge and get performance evaluation