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FUNDAMENTALS OF ELECTRONICS ENGINEERING — Minor 1 2021 question paper

MMMUT Electrical Engineering previous year question paper for FUNDAMENTALS OF ELECTRONICS ENGINEERING (BEC-101), semester 1, Minor 1 2021. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: FUNDAMENTALS OF ELECTRONICS ENGINEERING (BEC-101)
  • Branch: Electrical Engineering
  • Semester: 1
  • Exam: Minor 1 2021
  • Questions: 8

Questions asked in FUNDAMENTALS OF ELECTRONICS ENGINEERING Minor 1 2021

  1. Q1(a). Explain the forward and reverse bias characteristics of PN junction diode? Explain the effect of temperature on an intrinsic semiconductor. [3 marks]
  2. Q1(b). Write a short note on any of the one: i. Diffusion capacitance ii. Transition capacitance [2 marks]
  3. Q1(c). Calculate the dynamic forward and reverse resistances of a Si PN junction diode when the applied voltage is 0.25V at T=300K given Io=2µA [2 marks]
  4. Q2(a). Derive the relation between current gain a and B. The value of current gain a for a transistor is 0.95, find the value of ẞ and also find the value of a if ẞ changes to 100. [3 marks]
  5. Q2(b). Explain the input and output characteristics of a transistor in common base configuration. [2 marks]
  6. Q2(c). What are the different methods of transistor biasing? Explain the importance of self-bias or voltage divider bias. [2 marks]
  7. QQ.1. Attempt any two parts of the following Q1(a) is compulsory.
  8. QQ.2. Attempt any two parts of the following. Q2(a) is compulsory.