UPSC ESE Electrical Engineering Syllabus 2027, Prelims & Mains Syllabus
Riya Sharma18 Sept, 2026
UPSC ESE Electrical Engineering Syllabus 2027: The Union Public Service Commission (UPSC) has released the UPSC ESE 2027 notification for Electrical Engineering aspirants. Candidates preparing for the UPSC ESE 2027 Exam should understand the complete UPSC ESE Electrical Engineering Syllabus 2027 to plan their preparation effectively. The UPSC ESE 2027 Preliminary Examination will be conducted on January 31, 2027, while the Main Examination is scheduled for June 18, 2027.
UPSC ESE Electrical Engineering Syllabus 2027
The UPSC ESE Electrical Engineering Syllabus 2027 covers the topics prescribed by UPSC for the Preliminary and Main examinations. Electrical Engineering is one of the four engineering categories under the Engineering Services Examination. Candidates should cover the complete syllabus for both the objective-type Preliminary Examination and conventional-type Main Examination.
Aspirants preparing for the UPSC ESE Syllabus 2027 should also understand the UPSC ESE Exam Pattern 2027. The Electrical Engineering syllabus covers Engineering Mathematics, Electrical Materials, Electric Circuits and Fields, Electrical and Electronic Measurements, Computer Fundamentals, Basic Electronics Engineering, Analog and Digital Electronics, Systems and Signal Processing, Control Systems, Electrical Machines, Power Systems, and Power Electronics and Drives.
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UPSC ESE EE Syllabus 2027 Overview
The UPSC ESE 2027 examination is conducted by the Union Public Service Commission for recruitment to services and posts under four engineering categories. Electrical Engineering is listed as Category III. The key details related to the UPSC ESE Electrical Engineering Syllabus 2027 are given below.
| UPSC ESE Electrical Engineering Syllabus 2027 Overview | |
| Particulars | Details |
| Name of the Exam | Engineering Services Examination (ESE) 2027 |
| Conducting Authority | Union Public Service Commission (UPSC) |
| Engineering Category | Category III - Electrical Engineering |
| Exam Mode | Offline |
| Selection Stages | Preliminary Examination, Main Examination and Personality Test/Interview |
| Prelims Total Marks | 500 Marks |
| Mains Total Marks | 600 Marks |
| Personality Test/Interview | 200 Marks |
| Prelims Exam Date | January 31, 2027 |
| Mains Exam Date | June 18, 2027 |
| Exam Frequency | Once a Year |
UPSC ESE Electrical Engineering Syllabus for Prelims Exam
The UPSC ESE Electrical Engineering Prelims consists of two objective-type papers. Paper I is common to all engineering categories and covers General Studies and Engineering Aptitude, while Paper II is the Electrical Engineering paper.
Paper I carries 200 marks and has a duration of 2 hours. Paper II carries 300 marks and has a duration of 3 hours. The total marks for Stage I are 500. The Electrical Engineering topics prescribed for Paper II are covered across the complete technical syllabus given below.
UPSC ESE General Studies and Engineering Aptitude Syllabus
The General Studies and Engineering Aptitude paper is common to all four engineering disciplines. It includes topics such as current issues of national and international importance, engineering aptitude, engineering mathematics and numerical analysis, design and drawing, standards and quality practices, energy and environment, project management, material science, ICT and ethics and values in engineering.
| UPSC ESE Electrical Syllabus 2027 for General Studies and Engineering Aptitude | |
| Topics | Sub-topics |
| General Studies and Engineering Aptitude |
|
UPSC ESE Electrical Engineering Syllabus for Mains Exam
The UPSC ESE Electrical Engineering Mains Examination consists of two conventional papers. Each paper carries 300 marks and has a duration of 3 hours. The complete Electrical Engineering syllabus for the Preliminary and Main examinations is prescribed by UPSC across the following topics.
UPSC ESE Electrical Engineering Syllabus for Paper I
Paper I of the UPSC ESE Electrical Engineering syllabus covers Engineering Mathematics, Electrical Materials, Electric Circuits and Fields, Electrical and Electronic Measurements, Computer Fundamentals and Basic Electronics Engineering.
| UPSC ESE Electrical Syllabus 2027 for Paper I | |
| Section | Syllabus |
| Engineering Mathematics | Matrix theory, eigenvalues and eigenvectors, system of linear equations, numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima, line, surface and volume integrals, Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Taylor's and Laurent's series, residue theorem, probability and statistics fundamentals, sampling theorem, random variables, Normal and Poisson distributions, correlation and regression analysis. |
| Electrical Materials | Electrical engineering materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials, properties and applications, ferrites, ferromagnetic materials and components, basics of solid state physics, conductors, photoconductivity, basics of nanomaterials and superconductors. |
| Electric Circuits and Fields | Circuit elements, network graphs, KCL, KVL, node and mesh analysis, ideal current and voltage sources, Thevenin's, Norton's, Superposition and Maximum Power Transfer theorems, transient response of DC and AC networks, sinusoidal steady-state analysis, basic filter concepts, two-port networks, three-phase circuits, magnetically coupled circuits, Gauss theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere's and Biot-Savart's laws, inductance, dielectrics, capacitance and Maxwell's equations. |
| Electrical and Electronic Measurements | Principles of measurement, accuracy, precision and standards, bridges and potentiometers, moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multimeters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, basics of sensors, transducers and data acquisition systems. |
| Computer Fundamentals | Number systems, Boolean algebra, arithmetic functions, basic architecture, Central Processing Unit, I/O and memory organisation, peripheral devices, data representation and programming, basics of operating systems and networking, virtual memory, file systems and elements of programming languages. |
| Basic Electronics Engineering | Basics of semiconductor diodes and transistors and their characteristics, junction and field effect transistors including BJT, FET and MOSFET, different types of transistor amplifiers, equivalent circuits and frequency response, oscillators and other circuits, and feedback amplifiers. |
UPSC ESE Electrical Engineering Syllabus for Paper II
Paper II of the UPSC ESE Electrical Engineering syllabus covers Analog and Digital Electronics, Systems and Signal Processing, Control Systems, Electrical Machines, Power Systems, and Power Electronics and Drives.
| UPSC ESE Electrical Syllabus 2027 for Paper II | |
| Section | Syllabus |
| Analog and Digital Electronics | Operational amplifiers, characteristics and applications, combinational and sequential logic circuits, multiplexers, multivibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters, microprocessor basics, interfaces and applications, basics of linear integrated circuits, analog communication basics, modulation and demodulation, noise and bandwidth, transmitters and receivers, signal-to-noise ratio, digital communication basics, sampling, quantizing, coding, frequency and time domain multiplexing, and power line carrier communication systems. |
| Systems and Signal Processing | Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms, Z-transforms, Discrete Fourier Transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter and bilinear transformation. |
| Control Systems | Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications, Routh-Hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation, stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers. |
| Electrical Machines | Single-phase transformers, three-phase transformers, connections, parallel operation, autotransformer, energy conversion principles, DC machines, types, windings, generator characteristics, armature reaction and commutation, starting and speed control of motors, induction motors, principles, types, performance characteristics, starting and speed control, synchronous machines, performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors. |
| Power Systems | Basic power generation concepts, steam, gas and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis, principles of protection systems, basics of solid state relays and digital protection, circuit breakers, radial and ring-main distribution systems, matrix representation of power systems, load flow analysis, voltage control and economic operation, system stability concepts, swing curves and equal area criterion, HVDC transmission and FACTS concepts, power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications and fundamentals of power economics. |
| Power Electronics and Drives | Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs and IGBTs, static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters including fully controlled and half controlled converters, principles of choppers and inverters, adjustable speed DC and AC drives, DC-DC switched mode converters, DC-AC switched mode converters, resonant converters, high frequency inductors and transformers, and power supplies. |
UPSC ESE Electrical Engineering Exam Pattern 2027
The UPSC ESE Electrical Engineering Exam Pattern 2027 consists of three stages: Preliminary Examination, Main Examination and Personality Test/Interview. The Preliminary Examination carries 500 marks, the Main Examination carries 600 marks and the Personality Test/Interview carries 200 marks.
| UPSC ESE Electrical Engineering Exam Pattern 2027 | |||
| Stage | Paper | Duration | Maximum Marks |
| Stage I: Preliminary Examination | Paper I: General Studies and Engineering Aptitude | 2 Hours | 200 |
| Paper II: Electrical Engineering | 3 Hours | 300 | |
| Stage II: Main Examination | Paper I: Electrical Engineering | 3 Hours | 300 |
| Paper II: Electrical Engineering | 3 Hours | 300 | |
| Stage III | Personality Test/Interview | - | 200 |
The Preliminary Examination papers are objective type, while the Main Examination papers are conventional type. UPSC also applies negative marking for wrong answers in the objective-type papers.
UPSC ESE Electrical Engineering Syllabus 2027 PDF
Candidates can download the official UPSC ESE Electrical Engineering Syllabus 2027 PDF from the UPSC ESE 2027 notification. The official notification contains the complete syllabus for Electrical Engineering for the Preliminary and Main examinations.
UPSC ESE 2027 Notification PDF Download
UPSC ESE Electrical Engineering Preparation Tips
Understand the Complete Syllabus: Start preparation by going through the complete UPSC ESE Electrical Engineering Syllabus 2027 and divide the topics into manageable sections.
Build Strong Fundamentals: Focus on core subjects such as Electrical Machines, Power Systems, Power Electronics and Drives, Control Systems, Systems and Signal Processing, Electrical Measurements and Electric Circuits.
Practise Previous Year Questions: Solve previous year UPSC ESE Electrical Engineering questions to understand the question format and improve accuracy and time management.
Prepare for Prelims and Mains Together: Use objective questions for Prelims practice while also solving numerical and conventional questions required for the Main Examination.
Revise Regularly: Maintain short revision notes for formulas, concepts, important methods and frequently tested areas and revise them regularly.
Take Mock Tests: Attempt regular mock tests to evaluate preparation, identify weak areas and improve examination time management.
Excel your UPSC ESE 2027 preparation journey with PW's UPSC ESE Online Coaching. Physics Wallah offers structured study material, mock tests, e-books and other preparation resources.
UPSC ESE Electrical Engineering Syllabus 2026 FAQs
Q1. What is the UPSC ESE Electrical Engineering Syllabus 2027?
Q2. What are the subjects included in the UPSC ESE EE Syllabus 2027 for Prelims?
Q3. What is the UPSC ESE Electrical Engineering Exam Pattern 2027?
Q5. How should I prepare for the UPSC ESE Electrical Engineering Syllabus 2027?
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