Electric Circuit Laboratory
EE25303 3rd Semester EEE Dept | 2025 Regulation
2025 regulation - 3rd semester for EEE Department. Subject Code: EE25303, Subject Name: Electric Circuit Laboratory, Batch: 2025, 2026, 2027, 2028. Department: EEE - Electrical and Electronics Engineering Department Institute: Anna University Affiliated Engineering College, TamilNadu. This page has Electric Circuit Laboratory (EE25303) study material, notes, semester question paper pdf download, important questions, lecture notes.
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Electric Circuit Laboratory
- Statement and Limitations of ohm's law
- Kirchoff's laws
- Series Combination of Resistors
- Parallel Combination of Resistors
- Series-Parallel Circuits Combination of Resistors
- Worked examples on series-parallel circuits
- Exercise [Resistors]
- Solved problems on kirchoff's laws
- Loop (mesh) current method
- Worked examples: Loop (mesh) current method
- Solving AC circuits by loop current methods
- Exercise problems: Solving the Electrical Network
- Worked examples: AC circuits by nodal analysis
- Worked Problems: AC circuits by nodal analysis method when ideal voltage source
- Additional solved problems
- Nodal analysis of circuits for dependent sources (controlled sources)
- Exercise Problems: Node voltage method
- Generation of alternating voltage and current
- Sinusoidal alternating quantity
- Equation of sinusoidally varying emf and current (sinusoidal functions)
- Some important terms
- R.M.S (root mean square) value or effective value
- Average value
- Form factor and peak factor
- To find RMS or effective values of some important waveforms
- Worked examples [Average value, RMS value]
- Phasor representation of sinusoidally varying alternating quantities
- Representation of sinusoidal quantities in polar form- drawing the phasors
- Analysis of ac circuit
- Worked examples: AC circuit
- Points to Remember
- Important formulae of Circuits analysis
- Exercise
- Network Reduction and Theorems for dc and ac Circuits
- Voltage and Current source transformation
- Worked examples [Transformation or conversion of sources]
- Star (y) and delta (a) transformation (or) t and π transformation
- Worked examples
- Exercise
- Thevenin's Theorem
- Norton's Theorem
- Solved Example Problems: Thevenin's, Norton's Theorem
- Super Position Theorem
- Maximum Power Transfer Theorem
- Reciprocity Theorem
- Milliman's Theorem
- Solved Example Problems
- Transient Response Analysis
- Transients
- Natural and forced responses
- Initial conditions
- Zero-input and Zero-state response
- Initial (boundary) conditions for inductance
- Initial (boundary) condition for capacitors
- Effect of switching on resistor
- Determination of initial conditions
- Laplace transformation technique
- DC transients
- D.C. Transients in RL Circuit
- D.C. Transients in RC Circuit
- D.C. Transients in RLC Circuit (with Step Input Voltage)
- Solved Example Problems: DC Transients in RL, RC, RLC Circuit
- D.C. Transients with Sinusoidal Excitations
- Transients when the excitation is exponential function
- Exercise
- Generation of 3 Phase Voltage
- representation of the phase voltage in the polar and rectangular forms and drawing the phasor diagram
- Phase sequence
- Interconnection of the three phases
- Balanced star connected load
- Balanced delta connected load
- Worked examples
- Three phase power measurement - two-watt meter method
- Worked examples
- Additional solved problems
- Points to remember in three phase circuits
- Exercise
- Resonance in ac circuit
- Series resonance
- Worked examples on series resonance
- Points to Remember in Series Resonance Circuits
- Exercise - Series Resonance
- Parallel Resonance Circuit
- Worked examples
- Derive an expression for the resonant frequency of
- Multiple Resonance
- Series-parallel and parallel series conversion
- Points to Remember in Parallel Resonant Circuit
- Exercise
- Self inductance
- Mutual inductance
- Analysis of coupled circuits
- Dot rule for couple circuits
- Combination of conductively connected mutually coupled coils
- Worked examples
- Tuned circuits
- Points to Remember in Coupled Circuits
- Exercise
- Model Question and Answer - 1 PART A
- Model Question and Answer - 1 PART B
- Model Question Paper with Answer - 2 (PART A)
- Model Question Paper with Answer - 2 (PART B)
- Model Question Paper with Answer - 3 (PART A)
- Model Question Paper with Answer - 3 (PART B)
- Solved Anna University Question Paper with Answer - 1 (PART A)
- Solved Anna University Question Paper with Answer - 1 (PART B,C)
- Solved Anna University Question Paper with Answer - 2 (PART A)
- Solved Anna University Question Paper with Answer - 2 (PART B)
- Solved Anna University Question Paper with Answer - 2 (PART C)
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Electric Circuit Laboratory
Unit I: b. Basic Circuits Analysis
- Statement and Limitations of ohm's law
- Kirchoff's laws
- Series Combination of Resistors
- Parallel Combination of Resistors
- Series-Parallel Circuits Combination of Resistors
- Worked examples on series-parallel circuits
- Exercise [Resistors]
- Solved problems on kirchoff's laws
- Loop (mesh) current method
- Worked examples: Loop (mesh) current method
- Solving AC circuits by loop current methods
- Exercise problems: Solving the Electrical Network
- Worked examples: AC circuits by nodal analysis
- Worked Problems: AC circuits by nodal analysis method when ideal voltage source
- Additional solved problems
- Nodal analysis of circuits for dependent sources (controlled sources)
- Exercise Problems: Node voltage method
- Generation of alternating voltage and current
- Sinusoidal alternating quantity
- Equation of sinusoidally varying emf and current (sinusoidal functions)
- Some important terms
- R.M.S (root mean square) value or effective value
- Average value
- Form factor and peak factor
- To find RMS or effective values of some important waveforms
- Worked examples [Average value, RMS value]
- Phasor representation of sinusoidally varying alternating quantities
- Representation of sinusoidal quantities in polar form- drawing the phasors
- Analysis of ac circuit
- Worked examples: AC circuit
- Points to Remember
- Important formulae of Circuits analysis
- Exercise
Unit II: Network Reduction and Theorems for DC and AC Circuits
- Network Reduction and Theorems for dc and ac Circuits
- Voltage and Current source transformation
- Worked examples [Transformation or conversion of sources]
- Star (y) and delta (a) transformation (or) t and π transformation
- Worked examples
- Exercise
- Thevenin's Theorem
- Norton's Theorem
- Solved Example Problems: Thevenin's, Norton's Theorem
- Super Position Theorem
- Maximum Power Transfer Theorem
- Reciprocity Theorem
- Milliman's Theorem
- Solved Example Problems
Unit III: Transient Response Analysis
- Transient Response Analysis
- Transients
- Natural and forced responses
- Initial conditions
- Zero-input and Zero-state response
- Initial (boundary) conditions for inductance
- Initial (boundary) condition for capacitors
- Effect of switching on resistor
- Determination of initial conditions
- Laplace transformation technique
- DC transients
- D.C. Transients in RL Circuit
- D.C. Transients in RC Circuit
- D.C. Transients in RLC Circuit (with Step Input Voltage)
- Solved Example Problems: DC Transients in RL, RC, RLC Circuit
- D.C. Transients with Sinusoidal Excitations
- Transients when the excitation is exponential function
- Exercise
Unit IV: Three Phase Circuits
- Generation of 3 Phase Voltage
- representation of the phase voltage in the polar and rectangular forms and drawing the phasor diagram
- Phase sequence
- Interconnection of the three phases
- Balanced star connected load
- Balanced delta connected load
- Worked examples
- Three phase power measurement - two-watt meter method
- Worked examples
- Additional solved problems
- Points to remember in three phase circuits
- Exercise
Unit V: Resonance and Coupled Circuits
- Resonance in ac circuit
- Series resonance
- Worked examples on series resonance
- Points to Remember in Series Resonance Circuits
- Exercise - Series Resonance
- Parallel Resonance Circuit
- Worked examples
- Derive an expression for the resonant frequency of
- Multiple Resonance
- Series-parallel and parallel series conversion
- Points to Remember in Parallel Resonant Circuit
- Exercise
- Self inductance
- Mutual inductance
- Analysis of coupled circuits
- Dot rule for couple circuits
- Combination of conductively connected mutually coupled coils
- Worked examples
- Tuned circuits
- Points to Remember in Coupled Circuits
- Exercise
Model Question and Answer
- Model Question and Answer - 1 PART A
- Model Question and Answer - 1 PART B
- Model Question Paper with Answer - 2 (PART A)
- Model Question Paper with Answer - 2 (PART B)
- Model Question Paper with Answer - 3 (PART A)
- Model Question Paper with Answer - 3 (PART B)
- Solved Anna University Question Paper with Answer - 1 (PART A)
- Solved Anna University Question Paper with Answer - 1 (PART B,C)
- Solved Anna University Question Paper with Answer - 2 (PART A)
- Solved Anna University Question Paper with Answer - 2 (PART B)
- Solved Anna University Question Paper with Answer - 2 (PART C)
PDF Download Links
EE25303:
Electric Circuit Laboratory
Course
Objective:
•
To Apply the basic circuit solving techniques for both AC and DC circuits.
•
To know the applications of various network theorems, transient analysis.
Resonance, two port networks and Three phase circuits
List of
Experiments:
1.
Determination of sinusoidal current response for a series RL, RLC network in
steady state for sinusoidal input voltage excitation using phasor concepts
(impedances).
2.
Application and experimental verification of network theorems (Thevenin’s,
Norton’s, Superposition, Maximum Power Transfer and Reciprocity theorem).
3.
Circuit Transient and steady state analysis: Determination of time constant of
series RL, RC circuits. b. Determination of frequency response of RLC circuits.
c.
Steady state analysis of series RL, RC and RLC circuits.
4.
Determination of resonant frequency and bandwidth for Series and Parallel
resonant circuits.
5.
Determination of impedance, admittance, transmission and hybrid parameters for
two port networks.
6.
Determination of power in a three phase balanced and unbalanced circuits.
Weightage:
Continuous Assessment: 60%, End Semester Examinations: 40%
Assessment Methodology:
Project (30%), Assignment (10%), Practical (30%),
Internal
Examinations (30%)
Electric Circuit Analysis: Unit I: a. Introduction,, Electric Circuit Analysis: Unit I: b. Basic Circuits Analysis,, Electric Circuit Analysis: Unit II: Network Reduction and Theorems for DC and AC Circuits,, Electric Circuit Analysis: Unit III: Transient Response Analysis,, Electric Circuit Analysis: Unit IV: Three Phase Circuits,, Electric Circuit Analysis: Unit V: Resonance and Coupled Circuits,, Electric Circuit Analysis: Two Mark Question and Answers,, Electric Circuit Analysis: Model Question and Answer 3rd Semester 2025 Regulation : EE25303 3rd Semester EEE Dept | 2025 Regulation Electric Circuit Laboratory
