Practice Channel Disappearance - 11.4.2 | 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 happens to current if W is increased?

πŸ’‘ Hint: Think about the effect of area on charge flow.

Question 2

Easy

What is the threshold voltage (Vth)?

πŸ’‘ Hint: Consider it the baseline voltage for operation.

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

Which component primarily determines the resistance in a MOSFET?

  • Width (W)
  • Length (L)
  • Voltage (V)

πŸ’‘ Hint: Consider how distance affects flow in a circuit.

Question 2

True or False: Pinch-off occurs when VDS is too low.

  • True
  • False

πŸ’‘ Hint: Think about the conditions that create pinch-off.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a MOSFET with dimensions W=8ΞΌm, L=2ΞΌm, VGS=5V, Vth=1V, and VDS=4V. Determine the current flowing through the device under the assumptions of ideal behavior.

πŸ’‘ Hint: Set up your K based on (W/L) and input your voltage values correctly.

Question 2

If you increase the drain voltage VDS while keeping all other parameters constant in a circuit where the current is in saturation, what would be the physical implication in the MOSFET's operation?

πŸ’‘ Hint: Remember, saturation limits the effect of higher VDS on current.

Challenge and get performance evaluation