**GATE 2021 Electrical Engineering Syllabus: **The syllabus for Electrical Engineering is available for the candidates on this page. The syllabus for all the 27 subjects in GATE 2021 is different and is published on the website of GATE by the exam conducting body, IIT Bombay. In the exam, there will be 55 questions from the Electrical Engineering subject and Mathematics. The remaining 10 questions will be from the General Aptitude section which is common in all the subjects. Candidates can see the Electrical Engineering syllabus from this page.

## GATE 2021 Electrical Engineering Syllabus

The syllabus for Electrical Engineering GATE 2021 is divided into 10 sections. These sections are Engineering Mathematics, Electric Circuits, Electromagnetic Fields, Signals and Systems, Electrical Machines, Power Systems, Control Systems, Electrical and Electronic Measurements, Analog and Digital Electronics, and Power Electronics.

**Section 1: Engineering Mathematics**

**Linear Algebra:** Matrix Algebra, Systems of linear equations, Eigenvalues, Eigenvectors.

**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, Divergence theorem, Green’s theorem.

**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.

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

**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.

**Section 2: Electric circuits – ** Network elements: ideal voltage and current sources, dependent sources, R, L, C, M elements; Network solution methods: KCL, KVL, Node and Mesh analysis; Network Theorems: Thevenin’s, Norton’s, Superposition and Maximum Power Transfer theorem; Transient the response of dc and ac networks, sinusoidal steady-state analysis, resonance, two port networks, balanced three phase circuits, star-delta transformation, complex power and power factor in ac circuits.

**Section 3: Electromagnetic Fields** Coulomb’s Law, Electric Field Intensity, Electric Flux Density, Gauss’s Law, Divergence, Electric field and potential due to point, line, plane and spherical charge distributions, Effect of dielectric medium, Capacitance of simple configurations, Biot‐Savart’s law, Ampere’s law,Curl, Faraday’s law, Lorentz force, Inductance, Magnetomotive force, Reluctance, Magnetic circuits, Self and Mutual inductance of simple configurations.

**Section 4: Signals and Systems** – Representation of continuous and discrete-time signals, shifting and scaling properties, linear time-invariant and causal systems, Fourier series representation of continuous and discrete-time periodic signals, sampling theorem, Applications of Fourier Transform for continuous and discrete-time signals, Laplace Transform and Z transform. R.M.S. value, the average value the calculation for any general periodic waveform.

**Section 5: Electrical Machines** – Single-phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit tests, regulation and efficiency; Three-phase transformers: connections, vector groups, parallel operation; Auto-transformer, Electromechanical energy conversion principles; DC machines:

separately excited, series and shunt, motoring and generating mode of operation and their characteristics, speed control of dc motors; Three-phase induction machines: principle of operation, types, performance, torque-speed characteristics, no-load and blocked-rotor tests, equivalent circuit, starting and speed control; Operating principle of single-phase induction motors; Synchronous machines: cylindrical and salient pole machines, performance and

characteristics, regulation and parallel operation of generators, starting of synchronous motors; Types of losses and efficiency calculations of electric machines.

**Section 6: Power Systems** – Basic concepts of electrical power generation, ac and dc transmission concepts, Models and performance of transmission lines and cables, Economic Load Dispatch (with and without considering transmission losses), Series and shunt compensation, Electric field distribution and

insulators, Distribution systems, Per‐unit quantities, Bus admittance matrix, Gauss- Seidel and Newton-Raphson load flow methods, Voltage and Frequency Control, Power factor correction, Symmetrical components, Symmetrical and unsymmetrical fault analysis, Principles of over‐ current, differential, directional and distance protection; Circuit breakers, System stability concepts, Equal area criterion.

**Section 7: Control Systems – ** Mathematical modeling and representation of systems, Feedback principle, transfer function, Block diagrams and Signal flow graphs, Transient and Steady‐state analysis of linear time-invariant systems, Stability analysis using Routh-Hurwitz and Nyquist criteria, Bode plots, Root loci, Lag, Lead and Lead‐Lag compensators; P, PI and PID controllers; State-space model,The solution of state equations of LTI systems.

**Section 8: Electrical and Electronic Measurements** – Bridges and Potentiometers, Measurement of voltage, current, power, energy and power factor; Instrument transformers, Digital voltmeters and multimeters, Phase, Time and Frequency measurement; Oscilloscopes, Error analysis.

**Section 9: Analog and Digital Electronics** – Simple diode circuits: clipping, clamping, rectifiers; Amplifiers: biasing, equivalent circuit and frequency response; oscillators and feedback amplifiers; operational amplifiers: characteristics and applications; single-stage active filters, Active Filters: Sallen Key, Butterworth, VCOs and timers, combinatorial and sequential logic circuits, multiplexers, demultiplexers, Schmitt triggers, sample and hold circuits, A/D and D/A converters.

**Section 10: Power Electronics – ** Static V-I characteristics and firing/gating circuits for Thyristor, MOSFET, IGBT; DC to DC conversion: Buck, Boost and Buck-Boost Converters; Single and three-phase configuration of uncontrolled rectifiers; Voltage and Current commutated Thyristor based converters;

Bidirectional ac to dc voltage source converters; Magnitude and Phase of line current harmonics for uncontrolled and thyristor-based converters; Power factor and Distortion Factor of ac to dc converters; Single-phase and three-phase voltage and current source inverters, sinusoidal pulse width modulation.

### GATE 2021 General Aptitude Syllabus

The syllabus for the General Aptitude section in GATE 2021 remains the same in all subject papers of GATE 2021. Candidates will have to answer a total of 10 questions in this section, out of which 5 questions will be carrying 1 mark each and the remaining 5 questions will be carrying 2 marks each. The GA section is divided into Verbal Ability and Numerical Ability. Candidates can check the syllabus for GA below.

**Verbal Ability**

- English grammar
- Sentence completion
- Instructions
- Verbal analogies
- Word groups
- Critical reasoning
- Verbal deduction

**Numerical Ability**

- Numerical computation
- Numerical reasoning
- Numerical estimation
- Data interpretation

### GATE Electrical Engineering Mock Tests

Candidates must solve Mock Tests during their GATE 2021 preparation. This will help them in detecting their weak topics and improving them while there’s still time. It also helps in time management practice which is really important in the exam.

### GATE 2021 Electrical Engineering Exam Pattern

Before you begin your preparation, keep in mind to go through the exam pattern of the GATE 2021. Looking at the exam pattern and the marking scheme is necessary so that you can prepare better according to all the information on the exam. Get yourself familiar with the mode of the exam, the section that you will have to prepare for, the total marks of the exam, etc.

Section | Total Marks |

GA | 15% of the total marks |

Mathematics | 15% of the total marks |

EE – Subject-Based | 70% of the total marks |

**Exam Mode:** The exam will be conducted through the online mode and it will be a Computer-Based Test (CBT). **Duration:** 3 hours**Types of questions:** MCQs and NAT**No./Name of the sections:** 3 sections – General Aptitude, Mathematics and Subject-based**Total questions:** 65 questions**Total marks:** 100 marks**Negative Marking:** For MCQs only

**Marking scheme**

Type of question | Negative marking for wrong answer | Marking for correct answer |

MCQs | ⅓ for 1 mark questions⅔ for 2 marks questions | 1 or 2 marks |

NATs | No negative marking | 1 or 2 marks |

### How to Prepare for GATE Electrical Engineering?

**Stay motivated**

To prepare for GATE 2021, make sure that you do it strategically. Without any plan, your preparation will be all over the place. You will be confused as to what topic to do next or you might skip from topic to topic that will make it difficult to complete a single topic properly. For this reason, you will require a plan that you can follow strictly. Along with strategy you might need some additional help. For this purpose, we have given a few preparation tips below that you must keep in mind during your GATE 2021 preparation.

**Exam Pattern **

Before starting your preparation, go through and understand the exam pattern, marking scheme and the syllabus of the exam. This will familiarize you with the question paper. You should know what type of and how many questions will come in the exam, how is marking done, what sections will be there in the exam, etc. In short, it is like going through the summary of a book. It is essential for you to get an idea about what you are supposed to prepare for.

**Prepare Schedule**

Procrastination will not help you prepare for the exam. You will have to make a study schedule that you are supposed to follow honestly. The schedule will teach you discipline that is very important if you are aiming to score high in the exam. Your schedule must allow sufficient time to each topic depending on your preparation and your aptitude. Also, leisure time should be included in that schedule so that it doesn’t get hectic for you.

**Fundamentals **

It is essential that you seek thorough knowledge of the fundamentals. Your focus should be on gaining concept clarity. Understand the basics and practice them simultaneously. For conceptual knowledge, the best material is the standard books. The language used in such books is really easy to understand and learn. It is the best way to make your foundation strong.

**Mock Tests**

You must prepare thoroughly through the mock tests. And even after you have completed your syllabus and preparation, take full-length mock tests at regular intervals. It is not only important for preparation point of view but it will also make you familiar with writing the exam online and also using virtual calculators. Mock tests will also enable you to practice time management quite well. Get so used to giving the mocks, that GATE 2021 appears like a mock test too. This will also settle your nerves during the exam.

**Revision**

As you proceed towards the last month, start revising all the topics in your syllabus one by one. At this point, you will need all the notes that you prepared throughout your preparation. Go through all the pointers and formulas that are in the notes. All of these will help you recall all that you have prepared in the past few months.

### GATE Electrical Engineering Books for Preparation

Candidates are advised to choose the study materials carefully. Some books might confuse you more than giving you any substantial knowledge of the concepts. To avoid such a scenario, pick books from renowned authors and publications. You can also pick the books we have suggested below.

Title of the book | Name of the Author/ Publication | Link to buy |

GATE Electrical Engineering | GATE 2021 By Pearson | Pearson | LINK |

Electrical Engineering GATE 2021 | Arihant Experts | LINK |

GATE 2021 EE Previous Year Solved Question Bank | Kreatryx Publications | LINK |

### What is Electrical Engineering?

Electrical Engineering is concerned with the study, design and application of equipment, devices and systems utilizing electricity, and electromagnetism. The said discipline is divided into a wide range of fields including Computer Engineering, Power Engineering, Radio-frequency Engineering, Telecommunications, Signal Processing, Electronics, and Instrumentation. Most of them overlap other engineering branches, spanning a large number of specializations such as Hardware Engineering, Microwave Engineering, Nanotechnology, Mechatronics, etc.

### GATE 2021 Preparation FAQs

**Q1. How to prepare for the Mathematics section in GATE 2021? ****Ans**. The Mathematics section requires a lot of practice. You must learn all the formulas but don’t rely solely on them. Take mock tests of each topic and also full-length mock tests.

**Q2. How to prepare for Verbal Ability if it is your weak area?****Ans.** Try to read as much as you can. To ace this part of General Aptitude section, you will require a wide vocabulary that can only be achieved if you read regularly. Practice and learn all the grammar rules.

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