EC-305 RGPV B.Tech
Network Analysis (NA)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
5 papers, latest Dec 2024
- EC-305 paper, Dec 2024
- EC-305 paper, Jun 2024
- EC-305 paper, Dec 2023
- EC-305 paper, Jun 2023
- EC-305 paper, Nov 2022
Syllabus, notes and important questions for EC-305
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Introduction to circuit theory 11 topics
- Basic circuit elements R, L, C and their characteristics (linearity and time‑dependence)
- Voltage and current sources (controlled and uncontrolled)
- Kirchhoff’s Current Law (KCL) and Kirchhoff’s Voltage Law (KVL) analysis
- Steady‑state sinusoidal analysis using phasors
- Concept of phasor and vector representation
- Impedance and admittance
- Nodal and mesh analysis
- Analysis of magnetically coupled circuits
- Dot convention and coupling coefficient
- Tuned circuits
- Series and parallel resonance
Unit 2 Network Graph theory 5 topics
- Concept of network graph
- Tree, tree branch and link
- Incidence matrix
- Cut‑set and tie‑set matrices
- Dual networks
Unit 3 Network Theorems 9 topics
- Thevenin’s and Norton’s theorems
- Superposition theorem
- Reciprocity theorem
- Compensation theorem
- Substitution theorem
- Maximum power transfer theorem
- Millman’s theorem
- Tellegen’s theorem
- Problems involving dependent and independent sources
Unit 4 Transient analysis and Laplace transform 8 topics
- Transients in RL, RC and RLC circuits
- Initial and final conditions
- Time constants
- Steady‑state analysis
- Laplace transform solution of integro‑differential equations
- Transformation of waveforms (step, ramp, gate, sinusoidal functions)
- Initial and final value theorems
- Application of network theorems in the transform domain
Unit 5 Two‑port parameters 4 topics
- Z, Y, ABCD and Hybrid parameters, including inverse and image parameters
- Relationships between two‑port parameters
- Interconnection of two‑port networks
- Reciprocity and symmetry in all parameters
Exam insights
Counted from 5 past EC-305 papers.
Marks asked per paper, by unit
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Unit 1 Introduction to circuit theory 20 marks
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Unit 2 Network Graph theory 15 marks
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Unit 3 Network Theorems 29 marks
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Unit 4 Transient analysis & Laplace transform 27 marks
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Unit 5 Two port parameters 15 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Find the inductor current $i(t)$ / $I(t)$ for $t>0$ in an RL circuit after switching following steady state
Asked 5 times: 2024, 2023, 2019, 2018
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Apply the superposition theorem to find the required current or voltage in a given circuit.
Asked 4 times: 2023, 2022, 2020
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Find Norton's equivalent circuit across AB / current through AB using Norton's theorem.
Asked 4 times: 2023, 2022, 2020