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GATE ECIISc Bengaluru and the seven older IITs, for NCB-GATE

Start GATE Electronics and Communication Engineering preparation free Like it? Continue at just ₹29/month — less than ₹1 a day

General Aptitude, Engineering Mathematics and every Electronics and Communication Engineering section, in 27 chapters.

First chapter + 1 full mock test free — no card needed

Start freeRead the free chapter
  • 27chapters
  • 65question full mock
  • 7syllabus sections
  • EN + हिंevery chapter in both

Exam pattern

GATE EC paper pattern

GATE Electronics and Communication Engineering

  • 65 questions
  • 100 marks
  • 180 minutes
  • a wrong MCQ costs a third of its marks, a wrong MSQ or NAT nothing
  • General Aptitude — 15 marks10 Qs
  • Electronics & Communication — 85 marks55 Qs

What you get

Everything for GATE EC, in one course

  • Chapters in English and Hindi27 chapters on the official syllabus, each ending in a quiz that explains every answer.
  • Mock tests in the real patternTimed and marked the way the exam is, negative marking included, with a section-by-section report.
  • Revision and weak-area analyticsSee which topics cost you marks, and revise them on a spaced schedule.
  • AI mentorPremiumAsk a doubt in English or Hindi, any hour, and get a plain answer.

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Try a real GATE EC question

A real question from the course. No sign-up needed.

From the chapter: Circuit Analysis and the Sinusoidal Steady State

A voltage v(t) = 100 cos(500t + 30 degrees) volts is applied across a series connection of a 60 ohm resistor and a 0.16 H inductor. What is the amplitude of the steady-state current?

Show the answer and why

Answer: D.

The inductive reactance is omega·L = 500 times 0.16 = 80 ohm, so the impedance is 60 + j80 ohm whose magnitude is the square root of 3600 + 6400 = 100 ohm. The current amplitude is therefore 100/100 = 1.00 A, lagging the voltage by arctan(80/60) = 53.13 degrees. The value 0.714 A comes from adding the resistance and the reactance arithmetically to get 140 ohm, which treats two quantities ninety degrees apart as if they were in line; resistance and reactance combine in quadrature, never by simple addition. Using 60 ohm alone gives 1.67 A and using 80 ohm alone gives 1.25 A, each ignoring one element entirely.

Syllabus

GATE EC syllabus, section by section

Open a section to see its chapters. General Aptitude’s first chapter is free.

General AptitudeFree chapter3 chapters
  1. Verbal Aptitude — Grammar, Usage, Vocabulary and ComprehensionFree
  2. Quantitative Aptitude — Ratios, Powers, Mensuration, Statistics and Data
  3. Analytical Aptitude — Number Relations, Analogy, Deduction and Induction
Engineering Mathematics10 chapters
  1. Linear Algebra — Rank, Consistency, Eigenvalues and Eigenvectors
  2. Vector Spaces, Rank–Nullity, Decompositions and Quadratic Forms
  3. Limits, Continuity and Differentiability
  4. Differentiation and Applications of Derivatives
  5. Integration and Definite Integrals
  6. Multivariable Calculus — Partial Derivatives, Maxima and Multiple Integrals
  7. Vector Calculus — Gradient, Divergence, Curl and the Three Theorems
  8. Differential Equations — Higher Order, Euler–Cauchy, Laplace and PDEs
  9. Complex Variables — Analytic Functions, Cauchy’s Theorems and Residues
  10. Probability and Statistics — Random Variables, the Five Distributions and Bayes
Networks, Signals and Systems (EC paper)3 chapters
  1. Circuit Analysis and the Sinusoidal Steady State
  2. Transients, Laplace, Two-Port Networks and LTI Systems
  3. Continuous and Discrete-Time Signals: Fourier, Sampling, z-Transform and Filters
Electronic Devices (EC paper)2 chapters
  1. Energy Bands and Carrier Transport: From Bonds to Drift, Diffusion and the Continuity Equations
  2. The Devices: P-N Junction, Zener, BJT, MOS Capacitor, MOSFET and Scaling, LED, Photodiode and Solar Cell
Analog Circuits (EC paper)1 chapter
  1. Analog Circuits: Diode Circuits, BJT and MOSFET Amplifiers, and Op-amp Circuits
Digital Circuits (EC paper)2 chapters
  1. Number Representations, Boolean Minimisation and Combinational CMOS Logic
  2. Sequential Circuits, Timing, Data Converters, Memories and Computer Organisation
Control Systems (EC paper)2 chapters
  1. Modelling a Control System: Feedback, Transfer Functions and Response
  2. Stability and Design: Routh, Nyquist, Bode, Root Locus, Compensators and State Models
Communications (EC paper)2 chapters
  1. Random Processes and Analog Communications: Noise, AM, FM and the Superheterodyne
  2. Information Theory and Digital Communications: Entropy, Capacity, PCM, Detection and Coding
Electromagnetics (EC paper)2 chapters
  1. Maxwell's Equations and Plane Waves: Boundary Conditions, Poynting, Skin Depth and Polarisation
  2. Transmission Lines, Waveguides, Optical Fibre and Antennas

Price

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FAQ

Frequently asked questions

What does the GATE Electronics and Communication Engineering course cost?

The first chapter of the GATE course is free. Every chapter of this paper, in English and Hindi, unlocks with the GATE plan — ₹29 a month, less than ₹1 a day, cancel anytime — with scored practice and the full-length EC mock test in the real 65-question pattern. Premium adds the AI mentor.

How much of the GATE EC syllabus is covered?

The whole paper: 10 Engineering Mathematics chapters as this paper's syllabus words them, and 14 chapters across all 7 discipline sections. General Aptitude is shared by every paper.

What is the GATE exam pattern?

65 questions for 100 marks in 180 minutes: General Aptitude for 15 marks and the paper for 85. A wrong MCQ costs a third of its marks; MSQ and NAT questions carry no negative marking.

Related

Other GATE papers

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