FEE Unit 2 Notes AKTU (BEC101)

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electronics Engineering · Unit 2 · Notes

AKTU Fundamentals of Electronics Engineering (BEC101) Unit 2 notes for B.Tech Semester 1/2 – Transistors — BJT and FET. Topics: Bipolar Junction Transistor…

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Unit 2: Transistors — BJT and FET – AKTU syllabus topics

  • Bipolar Junction Transistor: BJT Construction and Operation, Common Base Configuration, Common Emitter Configuration, Common Collector Configuration
  • Junction Field Effect Transistor: JFET Characteristics and Transfer
  • MOSFET Types and Characteristics: Depletion Type MOSFET, Enhancement Type MOSFET

Most asked AKTU PYQ questions from Unit 2

  1. Q2b. Draw the Structure of Depletion type N-MOSFET. Explain its operation with characteristic graph. (10 marks, 2021-22)
  2. Q4b. Describe the construction and working of P-Channel Depletion MOSFET, with characteristic graph. Also justify that it is a voltage controlled device. (10 marks, 2021-22)
  3. Q4b. In CB configuration, the value of α=0.98A. A voltage drop of 4.9V is obtained across the resistor of 5KΩ when connected in collector circuit. Find the base current. (7 marks, 2024-25)
  4. Q4a. Describe the construction and working of a NPN transistor in CE configuration with respect to size and doping. Also, draw the input and output characteristic graph. (10 marks, 2021-22)
  5. Q4a. Describe the construction and working of N-Channel depletion type MOSFET along with their transfer characteristics. (7 marks, 2025-26)
  6. Q4b. Derive the relation between α and β. Calculate Ic and IE for a transistor that has αdc = 0.98 and Ic =100μA. Determine the value of βdc for the transistor. (7 marks, 2024-25)
  7. Q2b. Explain the construction and working of a BJT. Draw the input and output characteristics of Common Emitter configuration. (7 marks, 2024-25)
  8. Q4a. Discuss the working of JFET and also discuss input and output characteristics of JFET. (7 marks, 2024-25)
  9. Q3b. Draw and explain the construction and working of P-channel Depletion MOSFET with characteristic graphs. (7 marks, 2023-24)
  10. Q3a. Draw and explain the construction and working of N-channel JFET with characteristic graphs. (7 marks, 2023-24)

AKTU paper codes: BEC101, BEC201, KEC101, KEC201

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