Practice Changes to Current Expression - 11.3 | 11. Revisiting MOSFET (Contd.) | Analog Electronic Circuits - Vol 1
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11.3 - Changes to Current Expression

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define I_DS in a MOSFET.

πŸ’‘ Hint: Think about how current is categorized based on terminals.

Question 2

Easy

What is the relationship between W, L, and I_DS?

πŸ’‘ Hint: Consider what happens to current if channel width or length changes.

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 determines I_DS in a MOSFET?

  • Only V_DS
  • Only W and L
  • V_GS
  • V_th
  • W
  • L
  • K only

πŸ’‘ Hint: Look at all parameters influencing current, not just one.

Question 2

The threshold voltage V_th is essential for current flow.

  • True
  • False

πŸ’‘ Hint: Consider current flow requirements in MOSFETs.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A MOSFET has W = 5 Β΅m, L = 1 Β΅m, and characteristics yielding K = 100 Β΅A/V^2. If V_GS = 3V and V_th = 1V, what is I_DS if V_DS = 2V?

πŸ’‘ Hint: Use the current expression and substitute values carefully.

Question 2

Discuss how adjusting W and L can optimize current flow for a specific application in a circuit using MOSFET.

πŸ’‘ Hint: Think about what each parameter does in terms of current and resistance.

Challenge and get performance evaluation