Gate Electrical Engineering Syllabus 

Gate Electrical Engineering Syllabus 



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, 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.
Numerical Methods: Solutions of nonlinear algebraic equations, Single and Multi‐step
methods for differential equations.
Transform Theory: Fourier Transform, Laplace Transform, z‐Transform.

Gate Electrical Engineering
2: Electric Circuits
Network graph, KCL, KVL, Node and Mesh analysis, Transient response of dc and ac
networks, Sinusoidal steady‐state analysis, Resonance, Passive filters, Ideal current and
voltage sources, Thevenin’s theorem, Norton’s theorem, Superposition theorem, Maximum
power transfer theorem, Two‐port networks, Three phase circuits, Power and power factor
in ac circuits.

 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.

 4: Signals and Systems
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, Applications of Fourier Transform, Laplace Transform
and z-Transform.

5: Electrical Machines

Single phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit
tests, regulation and efficiency; Three phase transformers: connections, parallel operation;
Auto‐transformer, Electro-mechanical energy conversion principles, DC machines:
separately excited, series and shunt, motoring and generating mode of operation and
their characteristics, starting and speed control of dc motors; Three phase induction
motors: 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, regulation and parallel operation of generators, starting of
synchronous motor, characteristics; Types of losses and efficiency calculations of electric
machines.

6: Power Systems
Power generation concepts, ac and dc transmission concepts, Models and performance
of transmission lines and cables, Series and shunt compensation, Electric field distribution
and insulators, Distribution systems, Per‐unit quantities, Bus admittance matrix, GaussSeidel
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 and distance protection; Circuit breakers,
System stability concepts, Equal area criterion.

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, Routh-Hurwitz and Nyquist criteria, Bode plots, Root loci,
Stability analysis, Lag, Lead and Lead‐Lag compensators; P, PI and PID controllers; State
space model, State transition matrix.

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.

9: Analog and Digital Electronics
Characteristics of diodes, BJT, MOSFET; Simple diode circuits: clipping, clamping, rectifiers;
Amplifiers: Biasing, Equivalent circuit and Frequency response; Oscillators and Feedback
amplifiers; Operational amplifiers: Characteristics and applications; Simple active filters,
VCOs and Timers, Combinational and Sequential logic circuits, Multiplexer, Demultiplexer,
Schmitt trigger, Sample and hold circuits, A/D and D/A converters, 8085Microprocessor:
Architecture, Programming and Interfacing.

10: Power Electronics
Characteristics of semiconductor power devices: Diode, Thyristor, Triac, GTO, MOSFET,
IGBT; DC to DC conversion: Buck, Boost and Buck-Boost 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, Single phase and three
phase inverters, Sinusoidal pulse width modulation.

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