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Electronic Devices & Circuits — Minor 1 2026 question paper

MMMUT Electronics and Communication Engineering previous year question paper for Electronic Devices & Circuits (bec 204), semester 3, Minor 1 2026. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Electronic Devices & Circuits (bec 204)
  • Branch: Electronics and Communication Engineering
  • Semester: 3
  • Exam: Minor 1 2026
  • Questions: 8

Questions asked in Electronic Devices & Circuits Minor 1 2026

  1. Q1(a). For the given below figure, (a) Determine r0 (b) Find Zi (with and without r0=∞Ω), (c) Calculate Z0 (with and without r0=∞Ω). [5 marks]
  2. Q1(b). Derive the Hybrid model for common emitter configuration and establish the relation between r0 and Hybrid model. [3 marks]
  3. Q1(c). Deduce the low and high cut off frequency expression for voltage divider common emitter configuration. [3 marks]
  4. Q2(a). Determine the lower cut-off frequency for the given network using the following parameters: CG=0.01μF, CC=0.5μF, CS=2 μF, RS1=10kΩ, RG=1MΩ, RD=4.7 kΩ, RS=1 kΩ, RL=2.2 kΩ, IDSS=8 mA, VP=-4V, td=∞Ω, VDD=20V. [4 marks]
  5. Q2(b). Explain the concept of Miller capacitance effect in FET transistor at high frequency analysis. [3 marks]
  6. Q2(c). Explain the graphical determination of gm. Derive the mathematical expressions for gm. [3 marks]
  7. QQ1.. Attempt any Two parts of the following. Q. 1 (a) is compulsory.
  8. QQ2.. Attempt any Two parts of the following. Q.2(a) is compulsory.