GATE 2027 Electrical Engineering Official Syllabus
Section 1: General Aptitude (Common to All Papers • 15 Marks)
Verbal, Quantitative, Analytical & Spatial Reasoning
Common General Aptitude (Verbal, Quantitative, Analytical, Spatial).
Section 2: Engineering Mathematics (Core Component)
Mathematical Foundations
Linear Algebra, Calculus, Differential Equations, Complex Variables, Probability and Statistics, Numerical Methods, Transform Theory (Laplace, Fourier, Z-transform).
Section 3: Subject-Specific Core Syllabus (85 Marks)
Technical Domain Breakdown
Electric Circuits (Network graph, KCL, KVL, node and mesh analysis, superposition, Thevenin, Norton, maximum power transfer theorems, transient response, sinusoidal steady-state analysis, resonance, two-port networks, three phase balanced circuits); Electromagnetic Fields (Coulomb's Law, Electric Field Intensity, Gauss's Law, divergence, electric potential, Laplace and Poisson's equations, Biot-Savart Law, Ampere's Law, Faraday's Law, Maxwell's equations); Signals and Systems (Representation of continuous and discrete-time signals, LTI systems, Fourier series, continuous and discrete Fourier transforms, Laplace and z-transforms, sampling theorem); Electrical Machines (Single phase transformer: equivalent circuit, phasor diagram, tests, regulation and efficiency; Three-phase transformers, DC machines: separately excited, series and shunt, motor characteristics, starting and speed control; Three-phase induction motors: torque-speed characteristics, synchronous machines: cylindrical and salient pole, regulation and parallel operation); Power Systems (Basic power generation concepts, transmission line models, performance of lines, cable performance, distribution systems, voltage and frequency control, power factor correction, symmetrical and unsymmetrical fault analysis, principles of over-current, differential and distance protection, circuit breakers, system stability: swing equation, equal area criterion); Control Systems (Feedback principles, signal flow graphs, transient response, steady-state errors, Routh-Hurwitz criterion, Nyquist plots, Bode plots, root loci, lead, lag and lead-lag compensators, state space representation); Electrical and Electronic Measurements (Bridges, potentiometers, PMMC, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multimeters, oscilloscopes); Analog and Digital Electronics (Simple diode circuits, clipping, clamping, BJT and MOSFET amplifiers, operational amplifiers: characteristics and applications, combinational and sequential logic circuits, multiplexers, counters, registers, A/D and D/A converters); Power Electronics (Characteristics of semiconductor power devices: Diode, Thyristor, Triac, GTO, MOSFET, IGBT; DC to DC conversion: Buck, Boost, Buck-Boost converters, Single and three phase inverters, uncontrolled and controlled rectifiers).