Practice Prof. Pradip Mandal - 12.2 | 12. Revisiting MOSFET (Contd.) - Part A | 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 type of charge carriers are used in p-channel MOSFETs?

💡 Hint: Consider what type of carriers are found in p-type materials.

Question 2

Easy

State the gate-source voltage needed to turn on a p-channel MOSFET.

💡 Hint: Think of the polarity needed for the MOSFET to allow hole movement.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of charge carriers are utilized in p-channel MOSFETs?

  • Electrons
  • Holes
  • Neutrons

💡 Hint: Remember the type of doping used in p-type materials.

Question 2

True or False: The higher potential side should be on the gate for p-channel MOSFET operation.

  • True
  • False

💡 Hint: Think about the needs for hole attraction in the device.

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Challenge Problems

Push your limits with challenges.

Question 1

For a p-channel MOSFET with a threshold voltage of -2V, calculate the drain current with a gate-source voltage of -5V and a drain-source voltage of -10V, given a mobility coefficient of 200 cm²/V·s.

💡 Hint: Pay close attention to the relationship between threshold and applied voltages.

Question 2

Explain how varying the channel dimensions affects the current in a p-channel MOSFET. Provide practical examples.

💡 Hint: Remember that current increases with conductivity, which improves with dimension tuning.

Challenge and get performance evaluation