(SEM I) THEORY EXAMINATION 2021-22 EMERGING DOMAIN IN ELECTRONICS ENGINEERING

This question paper for Emerging Domain in Electronics Engineering (KEC101T) is divided into three sections — A, B, and C, covering fundamental and advanced concepts of electronics. Students must attempt all sections.

SECTION A — Very Short Answer Questions (20 Marks)

This section contains 10 compulsory questions, each carrying 2 marks.
Topics include:

BJT parameters (α, β)

Transconductance of JFET

CMRR in op-amps

Number system conversions

Avalanche vs. Zener breakdown

Basic Boolean reduction

Microprocessor vs. Microcontroller

Doping

RADAR and its applications

This section tests basic understanding and conceptual clarity.

SECTION B — Short Answer Questions (30 Marks)

Students must attempt any three out of five questions.
Each question carries 10 marks, covering:

Clippers and waveform analysis

Structure & operation of Depletion-type NMOS

Subtraction using complements

AM modulation & demodulation

Ideal OP-AMP characteristics and non-inverting gain derivation

This section checks analytical ability and diagram-based explanations.

SECTION C — Long Answer Questions (50 Marks)

Students must attempt one question from each of the five long-answer units. Each question carries 10 marks.

Topics include:

Voltage multipliers

Zener diode VI-curve & load analysis

NPN transistor (CE mode) with characteristics

α–β relationship + numerical

OP-AMP integrator/differentiator

Communication system elements

CMRR numerical & OP-AMP output

Satellite communication

Clamper circuits

AM modulation numericals

K-map minimization (NOR realization)

Multi-variable K-map simplification

This section tests deep understanding, numerical solving, and circuit analysis.

This exam paper for Emerging Domain in Electronics Engineering (KEC101T) consists of three sections that test a student’s knowledge of semiconductors, diodes, transistors, FETs, op-amps, number systems, Boolean algebra, communication systems, and modulation techniques. Section A includes short conceptual questions, Section B focuses on circuit-based short answers and numerical problems, while Section C contains long descriptive and analytical questions on advanced electronic devices, OP-AMP applications, communication systems, AM/ FM modulation, and digital logic simplification. The paper evaluates both theoretical understanding and problem-solving skills.