11.3 - Changes to Current Expression
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
Define I_DS in a MOSFET.
💡 Hint: Think about how current is categorized based on terminals.
What is the relationship between W, L, and I_DS?
💡 Hint: Consider what happens to current if channel width or length changes.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What determines I_DS in a MOSFET?
💡 Hint: Look at all parameters influencing current, not just one.
The threshold voltage V_th is essential for current flow.
💡 Hint: Consider current flow requirements in MOSFETs.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A MOSFET has W = 5 µm, L = 1 µm, and characteristics yielding K = 100 µA/V^2. If V_GS = 3V and V_th = 1V, what is I_DS if V_DS = 2V?
💡 Hint: Use the current expression and substitute values carefully.
Discuss how adjusting W and L can optimize current flow for a specific application in a circuit using MOSFET.
💡 Hint: Think about what each parameter does in terms of current and resistance.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.