Practice Conclusion - 11.7 | 11. Revisiting MOSFET (Contd.) | Analog Electronic Circuits - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the role of V_GS in a MOSFET's operation?

💡 Hint: Remember, it's the gate voltage driving the channel formation.

Question 2

Easy

Define V_th in the context of MOSFET.

💡 Hint: Think of it as the 'unlocking' voltage for 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 happens when V_GS exceeds V_th?

  • Channel does not form
  • Channel forms allowing current
  • Current decreases

💡 Hint: Think of V_GS as the key needed to unlock the current.

Question 2

True or False: In saturation, the current through a MOSFET is independent of V_DS.

  • True
  • False

💡 Hint: Focus on the steady nature of current through MOSFET in this region.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given V_GS = 4V, V_th = 1V, and V_DS continually adjusted, describe the expected current behavior in triode and saturation regions. Also, calculate current if the effective K-value is 2mA/V^2.

💡 Hint: Assess the V-threshold behavior to differentiate between the regions.

Question 2

How would the MOSFET current vary if mobility is suddenly doubled? Provide a brief illustration of what happens in both triode and saturation modes.

💡 Hint: Consider how mobility directly correlates with carrier movement.

Challenge and get performance evaluation