GATE EE Analysis - digcademy.com · .com Youtube Channel : ‘digcademy’ [email protected]

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YEARWISE ANALYSIS OF GATE ELECTRICAL ENGG.

S.N. Subjects 2010 2011 2012 2013 2014 2015 2016 2017

2018 2019 2020 Avg. Marks III II I II I II I II I

1 Numerical Ability 9 9 9 9 8 8 8 10 8 8 8 11 11 13 10 11 9

2 Verbal Ability 6 6 6 6 7 7 7 5 7 7 7 4 4 2 5 4 6

3 Control System 9 9 9 9 8 10 10 8 10 10 10 10 8 8 9 9 9

4 Digital Electronics 6 3 5 5 7 5 3 5 7 3 6 3 5 5 4 1 5

5 EDC & Analog Electronics 4 6 5 8 3 6 5 7 5 3 1 4 4 3 6 8 5

6 Electromagnetics 2 3 3 2 2 4 4 4 4 3 4 3 1 6 3

7 Electric Machines 8 9 7 5 14 15 12 14 11 9 12 12 11 11 13 13 11

8 Engg. Maths 12 10 12 13 10 11 8 9 10 14 12 14 11 13 14 12 12

9 Measurements 4 5 5 4 6 6 6 5 4 2 2 4 4 3 3 2 4

10 Microprocessor 2 2 1 2 2 2 1

11 Networks 5 9 17 11 9 7 9 10 9 13 11 9 8 13 11 6 10

12 Power Electronics 7 12 8 12 6 7 7 6 9 10 10 10 8 9 10 8 9

13 Power System 15 11 7 7 9 8 12 8 10 12 10 11 12 10 10 9 10

14 Signals & Systems 13 7 10 8 9 6 9 9 6 5 7 5 10 7 4 9 8

Total Marks 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100


CHAPTERWISE ANALYSIS OF GATE ELECTRICAL ENGG.

1. EDC& ANALOG ELECTRONICS

Chap Nomenclature as per Text Books Syllabus of GATE 20

10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19

20 20 III II I II I II I II I

Ch.1 Semiconductors

Ch.2 Diodes Characteristics of diodes, Simple diode circuits: clipping, clamping, rectifiers

1 2 1 4 3 1 1 2

Ch.3 BJT and Its Characteristics Characteristics of BJT 1 1

Ch.4 FET and Its Characteristics

Characteristics of MOSFET 1 2

Ch.5 Diodes Circuits Ch.6 BJT Biasing

Amplifiers: Biasing 2 2 1 1 1 2 2 2

Ch.7 FET Biasing

Ch.8 Small Signal Analysis of BJT

Amplifiers: Equivalent circuit 1 1

Ch.9 Small Signal Analysis of FET

Ch.10 Frequency Response of BJT & MOSFET

Amplifiers: Frequency response

Ch.11 Multistage Amplifiers Ch.12 Compound circuits Ch.13 Feedback Amplifiers Feedback amplifiers 2 1 1 Ch.14 Differential Amplifiers 2 2


Ch.15 Operational Amplifiers

Operational amplifiers: Characteristics and applications; Simple active filters, VCOs and Timers

1 1 4 3 3 2 3 4 4 3 2 2 2

Ch.16 Oscillators Oscillators Ch.17 Power Supplies Ch.18 Power Amplifiers Ch.19 Tuned Amplifiers Ch.20 Multivibrators

Total Marks 2 5 9 8 3 5 5 7 5 3 1 4 4 2 6 8


2. NETWORKS


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch1 Energy sources, circuit elements and signal analysis

Ideal current and voltage sources 5 1 5 1

Ch2 Basic Laws and Theorems

KCL, KVL 2 3 2 1 1 5 3 3 2 3 3

Ch3 Node and Mesh analysis Node and Mesh analysis

Ch4 Graph Theory Network graph 1 1

Ch5 Magnetically coupled Circuits 1 2

Ch6 Steady state ac analysis

Sinusoidal steady‐state analysis, Power and power factor in ac circuits

8 5 2 1 4 2 2 3 1 3 2

Ch7 Transient Response of RC, RL and RLC circuits

Transient response of dc and ac networks

1 1 1 1 2 1 2 3 2

Ch8

Laplace Transformation, waveform analysis and Application of Laplace

1 2 2 2

Ch9 Resonant circuits Resonance 2 2 1 2 4 2


Ch10 Network Theorems

Thevenin’s theorem, Norton’s theorem, Superposition theorem, Maximum power transfer theorem

1 3 3 3 1 4 2 1

Ch11 Network Functions 1 1 1 2 Ch12 Two port Networks Two‐port networks 2 4 2 1 2 1 Ch13 Filters Passive filters 1 Ch14 Network Synthesis Ch15 Three phase Networks Three phase circuits 1 2 2 2

Total Marks 5 9 17 11 9 7 9 10 9 13 11 9 8 11 11 6


3. Digital Electronics


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Number system

Ch.2 Boolean Algebra and Logic Gates 1

Ch.3 Boolean Functions and Karnaugh Maps 4 1 1 2 2 1 2 3 1 3 3

Ch.4 Combinational Circuits Combinational logic circuits 1 4

Ch.5 Design Using MSI and LSI

Multiplexer, Demultiplexer 2 1 1

Ch.6 Flip Flops and Sequential Circuits

Sequential logic circuits 3 2 1 2 2 2 2 2 1

Ch.7 Counters 2 2 1 1 2 Ch.8 Registers Ch.9 Memories

Ch.10 A/D and D/A Converters

A/D and D/A converters, 2 3

Ch.11 Logic Families 2 2 2

Ch.12 Timing Circuits Schmitt trigger, Sample and hold circuits

2 2

Total Marks 6 3 5 5 7 5 3 5 7 3 6 3 5 5 4 1


4. Control Systems


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Introduction to open loop and closed loop systems

Ch.2 Mathematical Modeling Mathematical modeling and representation of systems

1

Ch.3 Transfer function, Block Diagram and SFG

transfer function, Block diagrams and Signal flow graphs

2 3 5 2 1

Ch.4 Effect of feedback Feedback principle 1

Ch.5 Time response and controllers

Transient and Steady‐state analysis of linear time invariant systems, P, PI and PID controllers

1 5 2 2 2 2 3 2 6 1

1

Ch.6 Stability Stability analysis, Routh-Hurwitz criteria

2 2 3 2 2 2 1 1 4

Ch.7 Root locus Root loci 2 2 1 2 2 2 2

Ch.8 Frequency domain Analysis

2 1 1 2 2 1 2 1 2

Ch.9 Bode plots Bode plots 1 2 2 4 1 2 2

Ch.10 Polar plots, Nyquist plot and Nichols chart Nyquist criteria 2 1 2 1

1

Ch.11 Compensators Lag, Lead and Lead‐Lag compensators

4 1 1 2


Ch.12 Sampled Data Control Systems

Ch.13 Control System Components

Ch.14 Non linear Control system

Ch.15 State variable analysis State space model, State transition matrix. 2 2 4 2 3 2 2 2 2 2 2 2 2

Total Marks 9 9 9 9 8 10 10 8 10 10 10 10 8 8 9 9


5. Electromagnetics


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Vectors Ch.2 Coulomb's Law Coulomb's Law 1 1

Ch.3 Gauss's Electric Field Intensity, Electric Flux Density,Gauss's Law, Divergence

2 2 1 4

Ch.4 Electric Potential Electric field and potential due to point, line, plane and spherical charge distributions

1 2 2

Ch.5 Capacitors, Conductors and Dielectrics

Effect of dielectric medium, Capacitance of simple configurations

2 2 1 2 1 2 1

Ch.6 Laplace Equation

Ch.7 Steady Magnetic Field Biot‐Savart’s law, Ampere’s law,, Curl

1 2 2 1 1 3

Ch.8 Magnetic Forces

, Inductance, Magnetomotive force, Reluctance, Magnetic circuits,Self and Mutual inductance of simple configurations

2 2

Ch.9 Maxwell's Equations Faraday’s law, Lorentz force 1 1 1 1 Ch.10 Transmission Lines Ch.11 Uniform Plane Waves Ch.12 Waveguide Ch.13 Resonators


Ch.14 Radiation Ch.15 Antenna

Ch.16 Space Wave Propagation

Total Marks 2 3 3 2 2 4 4 4 4 3 4 3 1 6


6. Signals & Systems


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch1 Signals & their characteristics

Representation of continuous and discrete‐time signals,Shifting and scaling operations

2 2 1 1 1 4 1

Ch2 LTI Systems Linear Time Invariant and Causal systems

2 1 1 2 1 3 2 1 1 2

Ch3 Continuous Time Fourier Series

Fourier series representation of continuous periodic signals 1 1 3 2 1 1 2

Ch4 Discrete time Fourier Series 2

Ch5 Continuous time Fourier Transforms

Applications of Fourier Transform 2 2 6 2 2 2 2 2 3

Ch6 Discrete time Fourier Transforms

Ch7 Laplace Transforms Applications of Laplace Transform

4 3 3 5 1 1 1 1 1 4 1 3

Ch8 Z-Transforms Applications of Z-Transform 2 1 4 2 2 2 1 2 3 Ch9 Sampling Sampling theorem, 1 3 2 Ch10 DFT and FFT Ch11 Digital Filters 2 Ch12 Random Signals 2

Total Marks 13 4 10 8 9 6 9 9 6 5 7 5 10 7 4 9


7. Microprocessor 8085


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch. 1 Fundamentals Ch. 2 Pins & Signals of 8085 Ch. 3 Architecture of 8085 Ch. 4 Memory Mapping 2

Ch. 5 Communication with external peripherals

Ch. 6 Instruction set & Programming

2 2 1 2 2

Ch. 7 Interrupts Ch. 8 Special purpose Ics

Total Marks 2 2 1 2 2 2


8. Power Electronics


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Semiconductor Power Devices

Characteristics of semiconductor power devices: Diode, Thyristor, TRIAC, GTO, MOSFET, IGBT

1 3 1

Ch.2 Thyristors Thyristor, TRIAC, GTO 1 1 1 1

Ch.3 Converters

Single and three phase configuration of uncontrolled rectifiers,Line commutated thyristor based converters, Bidirectional ac to dc voltage source converters, Issues of line current harmonics, Power factor, Distortion factor of ac to dc converters

1 8 1 4 2 2 5 2 4 2 4 5 3

Ch.4 Inverters Single phase and three phase inverters, Sinusoidal pulse width modulation

1 4 4 2 2 4 2 4 3 2 1 1

Ch.5 Choppers 5 2 2 6 3 4 4 5 3 1 3 2 2 1 Ch.6 Cycloconverters Ch.7 AC Voltage Controllers 2 1 1 Ch.8 Electric Drives 2

Ch.9 DC-DC Switched Mode Converters

DC to DC conversion: Buck, Boost and Buck-Boost converters

2 4 2


Ch.10 DC-AC Switched Mode Converters

Ch.11 Resonant Converters

Ch.12 Switched Mode Power Supplies

Ch.13 High Frequency Inductors and Transformers

Ch.14 Thyristor Controlled Reactor & Switching of Capacitor Bank

Total Marks 7 12 8 12 6 7 7 6 9 10 10 10 8 10 8


9. Power System


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1

Inductance, Capacitance & Resistance of Transmission Lines

2 2 2 2

Ch.2 Transmission Lines

Models and performance of transmission lines and cables,Series and shunt compensation,Power factor correction

3 1 4 2 3 3 1 2 2

Ch.3 PU impedance and Line Diagram Per‐unit quantities 4 4

Ch.4 Symmetrical Faults Symmetrical fault analysis 1 3 1 1 2

Ch.5 Symmetrical components Symmetrical components, 1 2 2 2 1

Ch.6 Unsymmetrical Faults Unsymmetrical fault analysis 2 1 2 1 2 2 2 3 2

Ch.7 Load Flow Bus admittance matrix, Gauss- Seidel and Newton-Raphson load flow methods

1 2 3 6 1 4 1 2 1 1 4 5 3 1 3

Ch.8 Stability System stability concepts, Equal area criterion.

2 2 1 2 2 2 3 2

Ch.9 Economic Loading 2 1 2 2 2

Ch.10 Insulators Electric field distribution and insulators 2

Ch.11 Corona


Ch.12 Cables 2 Ch.13 Grounding

Ch.14 Automatic Voltage and Frequency Control Voltage and Frequency control 2 2 2 2 2 1

Ch.15 Transient on Transmission Lines 1

Ch.16 Circuit Breakers Circuit breakers 2

Ch.17 Power System Protection

Principles of over‐current, differential and distance protection

1 1 2 2 1 1

Ch.18 H.V.D.C. Transmission ac and dc transmission concepts

1 1

Ch.19 Power Plants Power generation concepts 1 Total Marks 15 12 7 7 9 8 12 8 10 12 10 11 12 10 10 9


10. Electrical Machines


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Transformer

Single phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit tests, regulation and efficiency; Three phase transformers: connections, parallel operation; Auto‐transformer

1 1 2 1 6 4 4 5 6 4 5 2 2 5 3 3

Ch.2 Energy Conversion Principles

Electromechanical energy conversion principles 2 2

Ch.3 Fundamental of Rotating Machines

Types of losses and efficiency calculations of electric machines

Ch.4 D.C. Machines

DC machines: separately excited, series and shunt, motoring and generating mode of operation and their characteristics, starting and speed control of dc motors

6 3 2 3 2 2 4 5 3 4 3 3 2 4


Ch.5 Induction Motor

Three phase induction motors: principle of operation, types, performance, torque-speed characteristics, no-load and blocked rotor tests, equivalent circuit, starting and speed control;

1 2 3 3 1 4 3 3 2 1 3 3 3 1

Ch.6 Synchronous Machines

Synchronous machines: cylindrical and salient pole machines, performance, regulation and parallel operation of generators, starting of synchronous motor, characteristics;

3 1 3 4 3 2 3 3 3 1 3 5

Ch.7 Special Machines Operating principle of single phase induction motors 1 1 1 2

Ch.8 Winding Total Marks 8 9 7 5 14 15 12 14 11 9 12 12 11 11 13 13


11. Electrical Measurements


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Measurements & Systems

Ch.2 Static & Dynamic Characteristics of Measuring Instruments

Ch.3 Error & their statistical analysis Error analysis 2 1 1 2

Ch.4 Units, Dimensions & Standards

Ch.5 Fundamentals of Analog instruments

Ch.6 Analog Ammeter, Voltmeter & Ohmmeter

Measurement of voltage, current

1 3 2 2 3 2 2 1 2 2 2

Ch.7 Galvanometer

Ch.8 Instrument Transformers

Instrument transformers 1

Ch.9 Measurement of Power Measurement of power 1 1 1 1 1 1 3 2 1

Ch.10 Measurement of Energy Measurement of energy 2

Ch.11 Measurement of Phase & Frequency

Measurement of power factor,Phase, Time and Frequency measurement

2

Ch.12 Measurement of Resistance

3


Ch.13 Potentiometer Potentiometers Ch.14 A.C. Bridges Bridges 2 1 1 2 2 Ch.15 C.R.O. Oscilloscopes 1 1 1 1 1 Ch.16 Q-meter

Ch.17 Primary Sensing Elements & Transducers

2

Ch.18 Measurement of Non-Electrical Quantities

Ch.19 Digital Voltmeter & Digital Frequency meter

Digital voltmeters and multimeters 2

Ch.20 Spectrum Analyzer Ch.21 Data Telemetry

Ch.22 Data Acquisition Systems

Ch.23 Opto-Electronic Measurements

Ch.24 Electronic Instruments Ch.25 Recorders

Total Marks 4 5 5 4 6 6 6 5 4 2 2 4 4 3 3 2


12. Engineering Mathematics


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch.1 Linear Algebra Matrix Algebra, Systems of linear equations, Eigen values, Eigenvectors.

4 3 2 3 1 1 1 1 3 3 5 4 1 3 4 4

Ch.2 Calculus

Mean value theorems, Theorems of integral calculus, Evaluation of definite and improper integrals, Partial Derivatives, Maxima and minima, Multiple integrals, Fourier series, Vector identities, Directional derivatives, Line integral, Surface integral, Volume integral, Stokes’s theorem, Gauss’s theorem, Green’s theorem.

4 4 4 4 2 5 3 4 2 5 1 4 3 7 3 5


Ch.3 Differential Equations

First order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Method of variation of parameters, Cauchy’s equation, Euler’s equation, Initial and boundary value problems, Partial Differential Equations, Method of separation of variables.

2 1 1 1 1 2 2 3 1 2 1 1

Ch.4 Complex Variables

Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula, Taylor series, Laurent series, Residue theorem, Solution integrals.

1 2 3 2 1 1 1 3 2 3 3 3 1

Ch.5 Probability and Statistics

Sampling theorems, Conditional probability, Mean, Median, Mode, Standard Deviation, Random variables, Discrete and Continuous distributions, Poisson distribution, Normal distribution, Binomial distribution, Correlation analysis, Regression analysis.

2 3 1 3 3 2 2 3 2 2 4 3

Ch.6 Numerical Methods

Solutions of nonlinear algebraic equations, Single and Multi‐step methods for differential equations.

2 2 2 2 1


Ch.7 Transform Theory

Ch.8 Sequences and Series

Total Marks 12 11 12 13 10 11 8 9 10 14 12 14 11 13 14 12


13. Numerical Ability


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Part -I : Quantitative Aptitude

• Numerical computation • Numerical Estimation • Numerical Reasoning • Data Interpretation

Ch. 1 Number System 2 1 2 3 2 1 1 4 2

Ch. 2 Progressions 2 2 1 2

Ch. 3 Averages and Alligations

1

Ch. 4 Ratio and Proportions

Ch. 5 Percentages 1 2 2 2 2 2

Ch. 6 Simple and Compound Interest

Ch. 7 Profit and Loss

Ch. 8 Time, Distance and Speed 2

Ch. 9 Time and Work 2 1

Ch. 0 Permutations and Combinations

2 2

Ch.11 Probability 2 2 3 2 1 1 2

Ch.12 Geometry and Mensuration

2 2 4 2

Ch.13 Trigonometry

Ch.14 Set Theory & Venn Diagram

1


Ch.15 Algebraic Equations 2 3 2 1 1 2 2

Ch.16 Functions 2 3 2

Ch.17 Inequalities

Ch.18 Logarithms

Ch.19 Data Interpretations 2 3 2 2 4 2 2 2 2

Ch.20 Miscellaneous 2 2 2

Part -II : Reasoning

Ch.21 Sequencing and Arrangement 1 3 2 1

Ch.22 Team Formation 2 2

Ch.23 Age and Blood Relations 2

Ch.24 Directions and Distances 2

Ch.25 Series and Sequencing 1 1 2

Ch.26 Alphanumeric Codes 1 2

Ch.27 Quantitative Reasoning 2 2 1 2

Ch.28 Clocks 2

Ch.29 Data Sufficiency 1 1

Total Marks 9 9 9 9 8 8 8 10 8 8 8 11 11 13 10 11


14. Verbal Ability


10 20 11

20 12

20 13

2014 2015 2016 2017 20 18

20 19


Ch. 1 English Grammar · English Grammar 1 1 1 1 2 2 1

Ch. 2 Word Groups/Vocabulary

· Word Groups 1 1 1 1 1 1 1 2 2 1 1 1 2

Ch. 3 Verbal Analogies · Verbal Analogies 1 1 1

Ch. 4 Sentence Completion · Sentence Completion 2 2 2 1 1 2 1 1 1 1 1 1 2 3 3

Ch. 5 Paragraph Jumbles · Instructions

Ch. 6 Critical Reasoning · Critical Reasoning 2 2 2 3 4 4 4 5 4 2 2

Ch. 7 Logical Verbal Deductions

· Verbal Deduction 2

Ch. 8 Syllogisms 2

Total Marks 6 6 6 6 7 7 7 5 7 7 7 4 4 2 5 4

GATE EE Analysis - digcademy.com · .com Youtube Channel : ‘digcademy’ [email protected]

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