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Gate 2021 Electrical Lectures | Online Coaching Classes - Knrao.in

Part Test

Subject Topics DateTest Questions
Electric circuits 1 Ideal voltage and current sources, dependent sources, R, L, C, M elements; Network solution methods: KCL, KVL, Node and Mesh analysis;Transient response of dc and ac networks, resonance. 15-Jun 15
Electric circuits 2 Network Theorems: Thevenin’s, Norton’s, Superposition and Maximum Power Transfer theorem;sinusoidal steady-state analysis,two port networks, balanced three phase circuits, star-delta transformation, complex power and power factor in ac circuits. 18-Jun 15
Electrical Machines 1 Single phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit tests, regulation and efficiency; Three phase transformers: connections, parallel operation; Auto‐transformer 21-Jun 15
Electrical Machines 2 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 25-Jun 15
Electrical Machines 3 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, Electromechanical energy conversion principles. 28-Jun 15
Control Systems 1 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. 1-Jul 15
Control Systems 2 Routh-Hurwitz and Nyquist criteria, Bode plots, Root loci, Stability analysis. 4-Jul 15
Control Systems 3 Lag, Lead and Lead‐Lag compensators; P, PI and PID controllers; State space model, State transition matrix.Solution of state equations of LTI systems 7-Jul 15
Power Systems 1 Basic concepts, GMD, GMR , Transposition of transmission lines, Transmission lines modelling performance and boundary conditions, Transient analysis and travelling wave, voltage control, pf correction, under ground cables, insulators, distribution systems, DC transmission. 10-Jul 15
Power Systems 2 Per‐unit quantities, Symmetrical components, Symmetrical and unsymmetrical fault analysis, System stability concepts, Equal area criterion. 14-Jul 15
Power Systems 3 power generation concepts ,Economic Load Dispatch (with and without considering transmission losses), Bus admittance matrix,GaussSeidel and Newton-Raphson load flow methods,Principles of over‐current, differential and distance protection; Circuit breakers, 17-Jul 15
Power Electronics 1 Static V-I characteristics and firing/gating circuits for Thyristor, MOSFET, IGBT, 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, Distortion factor of ac to dc converters 20-Jul 15
Power Electronics 2 DC to DC conversion: Buck, Boost and Buck-Boost converters,Single phase and three phase inverters, Sinusoidal pulse width modulation. 23-Jul 15
Signals and Systems 1 Representation of continuous and discrete‐time signals,R.M.S. value, average value calculation for any general periodic waveform, Shifting and scaling operations, Linear Time Invariant and Causal systems,Fourier series representation of continuous and discrete time periodic signals. 26-Jul 15
Signals and Systems 2 Sampling theorem, Applications of Fourier Transform for continuous and discrete time signals, Laplace Transform and Z transform. 29-Jul 15
EMT 1 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. 4-Aug 15
EMT 2 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. 7-Aug 15
Electrical and Electronic Measurements 1 Bridges and Potentiometers, Measurement of voltage, current, power, energy and power factor; Instrument transformers, Error analysis. 10-Aug 15
Electrical and Electronic Measurements 2 Digital voltmeters and multimeters, Phase, Time and Frequency measurement; Oscilloscopes, 13-Aug 15
Analog Electronics 1 (As Per New Syllabus) Simple diode circuits: clipping, clamping, rectifiers; Amplifiers: biasing, equivalent circuit and frequency response. 15-Aug 15
Analog Electronics 2 (As Per New Syllabus) Oscillators and feedback amplifiers; operational amplifiers: characteristics and applications; single stage active filters, Active Filters: Sallen Key, Butterwoth, VCOs and timers, 17-Aug 15
Digital electronics 1 (As Per New Syllabus) Logic gates ,Combinational logic circuits, Multiplexer, Demultiplexer. 20-Aug 15
Digital electronics 2 (As Per New Syllabus) Sequential circuits, Sample and hold circuits, A/D and D/A converters 22-Aug 15
Engineering Mathematics 1 (As Per New Syllabus) 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. 28-Aug 15
Engineering Mathematics 2 (As Per New Syllabus) 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. 31-Aug 15
Engineering Mathematics 3 (As Per New Syllabus) 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. Vector identities, Directional derivatives, Line integral, Surface integral, Volume integral, Stokes’s theorem, Gauss’s theorem, Green’s theorem. 4-Sep 15

Subjectwise Tests

There will be 14 single subject Tests consisting of 33 questions each. These tests are designed keeping in mind the changes made in syllabus and pattern in GATE 2021 and will help students to get acquainted and achieve expertise in individual subjects.

Subject Topics DateTest Questions
Aptitude 1 Complete syllabus(Numerical ability, Verbal Ability and Spatial Aptitude) 12-Sep 33
Aptitude 2 Complete syllabus(Numerical ability, Verbal Ability and Spatial Aptitude) 12-Sep 33
Electric circuits Test Complete syllabus 15-Sep 33
Electrical Machines Test Complete syllabus 15-Sep 33
Control Systems Test Complete syllabus 17-Sep 33
Power Electronics Test Complete syllabus 17-Sep 33
Power Systems Test Complete syllabus 21-Sep 33
EMT Test Complete syllabus 21-Sep 33
Analog and digital electronics Complete syllabus 25-Sep 33
Electrical and Electronic Measurements Test Complete syllabus 25-Sep 33
Signals and Systems Test Complete syllabus 28-Sep 33
Engineering Mathematics Complete syllabus 28-Sep 33
Aptitude 3 Complete syllabus(Numerical ability, Verbal Ability and Spatial Aptitude) 30-Sep 33
Aptitude 4 Complete syllabus(Numerical ability, Verbal Ability and Spatial Aptitude) 30-Sep 33

Multi Subject Tests

There will be 10 multi subject tests in which each test will be containing questions from two or more subjects. These tests are designed to help students to face questions from different subjects in the same test and to evaluate your strengths and weaknesses.

Subject Topics DateTest Questions
Multisubject Test 1 Electric circuits + EMT 15-Oct 33
Multisubject Test 2 Signals and SYSTEMS + Control systems 18-Oct 33
Multisubject Test 3 Electrical Machines+ Electrical and electronic measurements 21-Oct 33
Multisubject Test 4 Power systems + Aptitude 24-Oct 33
Multisubject Test 5 Power electronics + Engineering Mathematics 27-Oct 33
Multisubject Test 6 Analog and digital electronics +CONTROL systems 30-Oct 33
Multisubject Test 7 Electrical Machines+electrical and electronic measurements 02-Nov 33
Multisubject Test 8 Power systems +Signals and SYSTEMS 05-Nov 33
Multisubject Test 9 Circuits + analog and digital electronics 08-Nov 33
Multisubject Test 10 power electronics + Engineering Mathematics 11-Nov 33

Grand Tests

There will be 10 grand tests which will cover entire syllabus and are aligned with the pattern of GATE 2021. These tests are designed to help you to evaluate your strengths and weaknesses and to improve your knowledge.

Subject Topics DateTest Questions
Grand Test 1 complete syllabus 23-Nov 65
Grand Test 2 complete syllabus 27-Nov 65
Grand Test 3 complete syllabus 01-Dec 65
Grand Test 4 complete syllabus 05-Dec 65
Grand Test 5 complete syllabus 09-Dec 65
Grand Test 6 complete syllabus 13-Nov 65
Grand Test 7 complete syllabus 17-Dec 65
Grand Test 8 complete syllabus 21-Dec 65
Grand Test 9 complete syllabus 25-Dec 65
Grand Test 10 complete syllabus 29-Dec 65

Mock Tests

There will be 5 Mock tests which will cover the entire syllabus and are aligned with the GATE 2021. These tests are carefully designed to help you to evaluate your strengths and weaknesses, to manage your time effectively, to improve your knowledge and to make you familiarize with the pattern of GATE 2021.

Subject Topics DateTest Questions
Mock Test 1 complete syllabus 09-Jan 65
Mock Test 2 complete syllabus 11-Jan 65
Mock Test 3 complete syllabus 13-Jan 65
Mock Test 4 complete syllabus 15-Jan 65
Mock Test 5 complete syllabus 17-Jan 65