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Network Theory is one of the important topics in the GATE Electronics and Communications Engineering Paper. This article focuses on bringing forth the important topics, syllabus and good resources for Network Theory in GATE Electronics and Communications.

**Syllabus for Network Theory in GATE ECE:**

- Network solution methods: nodal and mesh analysis
- Network theorems: superposition, Thevenin and Norton’s, maximum power transfer
- Wye‐Delta transformation
- Steady state sinusoidal analysis using phasors
- Time domain analysis of simple linear circuits
- Solution of network equations using Laplace transform
- Frequency domain analysis of RLC circuits
- Linear 2‐port network parameters: driving point and transfer functions
- State equations for networks. Continuous-time signals: Fourier series and Fourier transform representations, sampling theorem and applications
- Discrete-time signals: discrete-time Fourier transform (DTFT), DFT, FFT, Z-transform, interpolation of discrete-time signals
- LTI systems: definition and properties, causality, stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay, digital filter design techniques.

**Important topics for Network Theory in GATE ECE:**

- Network analysis using KCL and KVL
- Network Theorems
- Transient Analysis of First order circuits
- Resonance
- Two-port Networks
- Transient and Steady State analysis of Second order RLC circuits
- Phasor diagrams
- Magnetic Coupled circuits
- Laplace transform

**Good resources for Network Theory:**

- Engineering Circuit Analysis by William H. Hayt, Jack Kemmerly and Steven M. Durbin
- Network Analysis and Synthesis by Chakrabarti

- Make a study plan. If you have already done this subject during your graduation, start off with the most important topics. If doing them for the first time, go in sequence.
- At the end of every topic, practice problems on that topic. Analyse your result. Check the concepts that you are weak in. If these topics are in the important topics or concepts list then go back and clear them up, if not, mark these topics, come back to them later after you are done with all the subjects.
- After you have finished the entire subject and have done so for others, solve full portion practice tests. Analyse your test scores in a similar manner as done for subject wise tests.
- After every test analyse your result and work on the weak topics that hold the maximum weightage. This way you can finish all the subjects and topics inclusive if you have time, else at least you would have covered the important topics.

If you have less time then doing all of this may be a time consuming process. In that case you can consider joining an Online Coaching Class which will help you cover your syllabus in a less interval of time. So,The main advantage of joining an Online Coaching is that it can save a student a lot of time. Also, When one goes for a coaching class, they may not realize but a lot of time gets consumed in petty things like – waiting for a professor to come, sitting in a class and waiting for everyone to finish solving a problem, settling down of a noisy class, it becomes difficult to cope up in case a lecture is missed. So,All these amount to a significant time in a student’s preparation time and especially when a student has less time for preparation, these factors add as a hindrance.

Furthermore,If considering an Online Coaching, have a look at GATE School’s video lectures. I have embedded one on Network Theory – Super Mesh Analysis for you:

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