2863 MCQs on IES-ESE (Engineering Services) Electronics with Detailed Explanations & Solutions
🎯 2863 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
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2863 MCQs questions on IES-ESE (Engineering Services) Electronics (explanations available on subscription). Practice topic-wise below (recommended), or across topics (start).
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Basic Electronics Engineering (300)
- Basics of Semiconductors (26)
- Diode and Transistor Basics and Characteristics (7)
- Diodes for Different Uses (76)
- Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs) (94)
- Transistor Amplifiers of Different Types (11)
- Oscillators and Other Circuits (29)
- Basics of Integrated Circuits (ICs) (4)
- Bipolar Electronics (16)
- MOS and CMOS ICs (7)
- Operational Amplifiers and Their Applications-Linear and Non-Linear (40)
- Optical Sources and Detectors (8)
- Basics of Opto Electronics and Its Applications (1)
Basic Electrical Engineering (123)
- DC Circuits-Ohm's & Kirchoff's Laws (8)
- Mesh and Nodal Analysis (7)
- Circuit Theorems (20)
- Electro-Magnetism (28)
- Faraday's & Lenz's Laws (6)
- Induced EMF and Its Uses (7)
- Single-Phase AC Circuits (5)
- Transformers (17)
- Basics-DC Machines (2)
- Induction Machines (3)
- Synchronous Machines (9)
- Electrical Power Sources: Basics (4)
- Basics of Batteries and Their Uses (1)
- Transformer (4)
- DC Motor and Its Efficiency (3)
- Three Phase Induction Motor (2)
- DC Generators (4)
- Types of DC Generators (1)
Materials Science (105)
- Electrical Engineering Materials (4)
- Crystal Structure & Defects (10)
- Ceramic Materials: Structures (7)
- Ceramic Materials: Composites (2)
- Ceramic Materials: Processing and Uses (1)
- Insulating Laminates for Electronics: Basics (6)
- Magnetic Materials (17)
- Magnetic Materials: Basics (1)
- Magnetic Materials: Classification (5)
- Magnetic Materials: Ferrites (1)
- Magnetic Materials: Ferro and Para: Magnetic Materials and Components (5)
- Nano Materials: Basics (1)
- Nano-Optical, Magnetic, or Electronic Materials and Uses (6)
- Superconductivity: Basics (5)
- Superconductivity: Uses (1)
- Semiconductors and Physics (8)
- Structure and Properties of Engineering Materials (32)
- Properties of Materials (6)
Electronic Measurements and Instrumentation (175)
- Principles of Measurement (12)
- Accuracy (3)
- Precision and Standards (1)
- Analog and Digital Systems for Measurement (11)
- Measuring Instruments for Different Applications (53)
- Static and Dynamic Characteristics of Measurement Systems (2)
- Errors (6)
- Measurement Systems for Non-Electrical Quantities (37)
- Basics of Telemetry (2)
- Different Types of Transducers and Displays (23)
- Error Analysis (13)
- Limiting Error (1)
- Cathode Ray Oscilloscope (10)
- Measurement of RLC Using Bridge Circuits (9)
- Extension Ranges of Basic Meters (6)
- Basic DC Ammeter (6)
Network Theory (225)
- Network Graphs & Matrices (23)
- Linear Constant Coefficient Differential Equations: Time Domain Analysis of RLC Circuits (9)
- Solution of Network Equations Using Laplace Transforms: Frequency Domain Analysis of RLC Circuits (38)
- 2-Port Network Parameters: Driving Point & Transfer Functions (63)
- State Equations for Networks (7)
- Steady State Sinusoidal Analysis (33)
- Network Elements (50)
- Basic Filters and Locus Diagrams (5)
- Kirchhoff's Laws (8)
Analog and Digital Circuits (455)
- Small Signal Equivalent Circuits of Diodes (11)
- BJTS and FETs (38)
- Diode Circuits for Different Uses (41)
- Biasing & Stability of BJT & JFET Amplifier Circuits (27)
- Analysis and Design of Amplifier: Single and Multi: Stage (28)
- Feedback & Uses (16)
- Active Filters (6)
- Timers (1)
- Multipliers (3)
- Wave Shaping (4)
- A to D and D to a Converters (50)
- Boolean Algebra & Uses (51)
- Logic Gates (37)
- Digital IC Families (21)
- Combinatorial and Sequential Circuits (26)
- Basics of Multiplexers (13)
- Counters, Registers, Memories, and Microprocessors (53)
- Design & Applications (1)
- Logic Families (16)
- Unipolar Logic Families (1)
- Finite State Machines (2)
- Sequential Circuits (46)
- Mealy Machine (1)
- Communiation Circuits (2)
Analog and Digital Communication Systems (271)
- Random Signals (14)
- Noise (3)
- Probability Theory (7)
- Information Theory (14)
- Analog Versus Digital Communication & Applications (6)
- Systems: AM (28)
- Systems: FM (7)
- AM & FM: CW Transmitters and Receivers (12)
- AM & FM: SNR Comparison (2)
- Digital Communication Basics (2)
- Sampling (8)
- Quantizing (2)
- Coding (1)
- PCM (5)
- DPCM (1)
- Multiplexing: Digital Modulation (22)
- Multiplexing: FSK (5)
- Multiplexing: PSK (2)
- Multiple Access: Basics (1)
- Multiple Access: TDMA (3)
- Multiple Access: FDMA (1)
- Multiple Access: CDMA (3)
- Optical Communication: Basics (28)
- Optical Communication: Fibre Optics (27)
- Optical Communication: Theory (2)
- Optical Communication: Practice and Standards (4)
- Angle Modulation (15)
- Pulse Modulation (15)
- Introduction to Analog and Digital Modulation (45)
- Baseband ModulationTime Division Multiplexing (TDM) (8)
Control Systems (284)
- Classification of Signals and Systems (4)
- System Realization (7)
- Transforms & Their Applications (13)
- Signal Flow Graphs (3)
- Routh-Hurwitz Criteria (16)
- Root Loci (20)
- Nyquist and Bode Plots (30)
- Feedback Systems: Open & Close Loop Types (15)
- Feedback Systems: Stability Analysis (16)
- Feedback Systems: Steady State (11)
- Feedback Systems: Transient and Frequency Response Analysis (56)
- Design of Control Systems (9)
- Compensators (30)
- Elements of Lead and Lag Compensation (6)
- PID and Industrial Controllers (10)
- Basics of Control Systems (11)
- Transfer Function (17)
- Network Theory (43)
- Damping Ratio (2)
- Steady State Error (6)
Computer Organization and Architecture (115)
- Basic Architecture (64)
- CPU (6)
- Computer Networks & IO Organisation (4)
- Memory Organisation (30)
- Peripheral Devices (1)
- Trends (1)
- Hardware and Software Issues (3)
- Data Representation & Programming (7)
Electro Magnetics (357)
- Elements of Vector Calculus (16)
- Maxwell's Equations: Basic Concepts (29)
- Maxwell's Equations: Gauss' Theorems (10)
- Maxwell's Equations: Stokes' Theorems (1)
- Wave Propagation through Different Media (49)
- Transmission Lines: Different Types (40)
- Transmission Lines: Basics (29)
- Transmission Lines: Smith's Chart (2)
- Transmission Lines: Impedance Matching and Transformation (18)
- Transmission Lines: S: Parameters (2)
- Pulse Excitation: Basics (1)
- Pulse Excitation: Uses (5)
- Waveguides: Basics (69)
- Waveguides: Rectangular Types (8)
- Waveguides: Modes (8)
- Waveguides: Cut: Off Frequency (7)
- Waveguides: Dispersion (1)
- Waveguides: Dielectric Types (12)
- Antennas: Radiation Pattern (54)
- Antennas: Monopoles and Dipoles (12)
- Antennas: Gain (12)
- Arrays: Theory (1)
- Magnetostatics (20)
Advanced Electronics Topics (113)
- VLSI Technology: Basics (5)
- VLSI Technology: Processing (10)
- VLSI Technology: Lithography (3)
- VLSI Technology: Packaging (1)
- VLSI Design: Basics (2)
- VLSI Design: MUX, ROM and PLA: Based Design (2)
- VLSI Design: Moore & Mealy Circuit Design (2)
- DSP: Discrete Time Signals and Systems (2)
- Digital Filters: Basics (9)
- Digital Filters: FIR and IIR Types (7)
- Speech, Audio, and Radar Signal Processing Uses (3)
- Microprocessors & Microcontrollers (35)
- Microprocessors & Microcontrollers: Basics (9)
- Microprocessors & Microcontrollers: Interrupts (11)
- Microprocessors & Microcontrollers: Instruction Sets (5)
- Microprocessors & Microcontrollers: Interfacing (7)
- Controllers and Embedded Systems (1)
Advanced Communication Topics (73)
- Communication Networks (7)
- Principles, Practices, Technologies, Security, and Uses of OSI Model (1)
- Basic Packet Multiplexed Streams and Scheduling (2)
- Cellular Networks: Basics (9)
- Cellular Networks: Types (1)
- Cellular Networks: Analysis (1)
- Protocols (TCP and TCP-IP) (3)
- Microwave & Satellite Communication (27)
- Satellites: Block Schematics Link Calculations (1)
- Satellites: System Design (1)
- Communication Satellites: Basics (5)
- Communication Satellites: Orbits (2)
- Communication Satellites: Characteristics (2)
- Communication Satellites: Systems (13)
- Communication Satellites: Uses (2)
- Fibre-Optic Communication Systems: Basics (3)
Electronic Devices (133)
- Carriers in Semiconductors (72)
- Semiconductor Devices (24)
- PN Junction Diode (36)
- Tunnel Diode (4)
- Junction Breakdown (2)
Sensors and Industrial Instrumentation (26)
StartEngineering Mathematics (12)
StartSignals and Systems (99)
- Fast Fourier Transform (FFT) (23)
- Discrete Time Signals and Systems (40)
- Periodic and Non-Periodic Signals (8)
- Linear Time Invariant (LTI) Systems (35)