Network Theory forms the backbone of Electrical and Electronics Engineering, helping aspirants understand how circuits behave under various electrical conditions. For GATE 2026, mastering this subject is crucial, as it builds the foundation for advanced topics like Analog Circuits, Control Systems, and Signal Processing.
These handwritten notes simplify complex network concepts — from Ohm’s Law and KCL/KVL to AC analysis, transients, and two-port parameters — making them easy to understand and quick to revise. Designed with exam-oriented precision, they help you strengthen your theoretical understanding and problem-solving efficiency.
Network Theory Notes for GATE 2026 (Handwritten)
Chapter 1: Fundamentals
- Network Components
- Ohm’s Law
- Current & Voltage
- Capacitance, Inductance (L, C) and Resistance (R)
- Dependent and Independent Sources
- Kirchhoff’s Current Law (KCL) & Voltage Law (KVL)
- Source Transformation (SC, OC)
- Current & Voltage Division
- Ratings and Specifications
Chapter 2: Methods of Analysis
- Mesh Analysis
- Nodal Analysis
Chapter 3: DC Network Theorems & Applications
- Superposition Theorem
- Thevenin’s Theorem
- Norton’s Theorem
- Maximum Power Transfer Theorem
- Tellegen’s Theorem
- Reciprocity Theorem
- Millman’s Theorem
- Compensation Theorem
- Substitution Theorem
Chapter 4: Time Variance
- Introduction to Inductors and Capacitors
- Properties and behavior under different excitations
Chapter 5: Steady-State AC Circuit Analysis
- Sinusoidal Signals & Phasors
- Voltage/Current Phasor Relationships
- RMS Value
- Methods of AC Circuit Analysis
- AC Network Theorems
- Complex Power & Power Factor
- Duals and Duality
- Locus Diagrams
- Electrical Resonance
- Selectivity
- Magnetic Circuits
Chapter 6: Electrical Transients
- Transients in Circuits
- State Variables & Initial Conditions
- Behavior of Passive Elements
- Order of Circuits
- Total Response = Natural Response + Forced Response
- Step Response (1st Order & 2nd Order)
- Source-Free Response (2nd Order)
- Laplace Transform Approach
- Complete Solution of Transient Circuits
Chapter 7: Two-Port Networks
- Concept of Symmetry
- Z, Y, h, g Parameters
- ABCD & A′B′C′D′ Parameters
- Interconversion of Parameters
- Two-Port Network Parameters and Properties
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