EE240 Circuits 1

Fall 2020

Department of Electrical Engineering
Syed Babar Ali School of Science and Engineering
Lahore University of Management Sciences.



Announcements

  • (Sep. 14) Assignment 01 has been posted.

  • (Sep. 10) Welcome to EE 240 Circuits I.

Course Overview

The course provides an introduction to circuit analysis. Topics covered include introduction to passive components (R, L, C), independent and controlled energy sources, lumped parameter models, conventions for describing networks, analysis and solution of first order and second order circuits, determination of initial conditions in these circuits and their transient and steady state responses.

Administrative Details

  • Course Outline (Click to download)

  • Lecture Schedule: Tuesday, Thursday 4:30 PM to 5:45 PM

  • Textbook:

    • Network Analysis, 3rd edition, by M. E. Van Valkenburg, Pearson Education or PHI

  • Supplementary Reading:

    • The Analysis and Design of Linear Circuits by R E Thomas, A J Rosa and G J Toussaint, John Wiley, 6th Edition, 2000

    • Electric Circuits Fundamentals by S Franco, Oxford University Press, 2002

    • Basic Engineering Circuit Analysis by J D Irwin and R M Nelms, Wiley, 9th Edition, 2008

  • Office Hours and Contact Information

    • Instructor (zubair.khalid@lums.edu.pk): Tuesday and Thursday, 3-4 pm

    • TA Omair Faqah-ur-Rehman (22100108@lums.edu.pk): Tuesday and Thursday, 7 pm to 8 pm

    • TA Saif-ur-Rahman (22100001@lums.edu.pk): Wednesday and Friday, 9 am to 10 am

    • TA Zehra Abbas Naqvi (22100093@lums.edu.pk): Monday, 1 pm to 2 pm, Saturday, 3 pm to 4 pm

Grading Distribution

  • Assignments, 20 %

  • Quizzes, 10 %

  • Mid-Exam, 20 %

  • Oral Examination, 25 %

  • Final Exam, 25 %

Lecture Notes and Exams

Lecture notes, past exams and reading assignmnets will be posted here.

Assignments

Assignment Due Date Solutions
Assignment 01 02 Oct. Solutions
Assignment 02 19 Oct. Solutions
Assignment 03 06 Nov. Solutions
Assignment 04 27 Nov. Solutions
Assignment 05 13 Dec. Solutions

Quizzes

Quiz Solutions
Quiz 01 Solutions
Quiz 02 Solutions
Quiz 03 Solutions
Quiz 04 Solutions
Quiz 05 Solutions
Quiz 06 Solutions

Lecture Plan

  • Week 01 (Notes)

    • Course Introduction

    • Fundamental concepts: Chrage, Current, Voltage, Power, Energy, Passive Sign Convention

    • Review of fundamental concepts

    • V,I ideal sources

    • Passive Elements: Resistor, IV characteristics

  • Lecture 03

    • Passive Elements: Capacitor, capacitance, IV characteristics

  • Lecture 04

    • Passive Elements: Inductor, induactance

  • Lecture 05

    • IV Characteristics

    • R,L,C summary

    • Pratcical models of R,L,C

  • Lecture 06

    • Pratcical models of R,L,C (revisit)

    • V,I practical sources

    • Series, parallel connection

  • Lecture 07

    • Controlled Sources

    • Kirchhof's Current and Voltage Laws

    • Single Node Pair, Single Loop Circuits

  • Lecture 08

    • Kirchhof's Current Law (KCL) for Nodal Analysis (multiple nodes)

    • Formulation of network equations using KCL

    • Matrix Formulation

    • Examples

  • Lecture 09

    • Kirchhof's Voltage Law (KVL) fo Loop Analysis (multiple loops)

    • Formulation of network equations using KVL

    • Matrix Formulation

    • In-class review examples

  • Lecture 10

    • Network Equations for mutually coupled circuits

    • Network Topology and relationship with Nodal and Loop Analysis

  • Lecture 11

    • Equivalent Networks Concept

    • Source Transformation

    • Moving Sources

  • Lecture 12

    • Superposition Principle

    • Duality in Circuits

  • Lecture 13

    • Duality (Examples)

    • Nodal and Loop Analysis for Resistive Circuits (Examples)

  • Lecture 14

    • Super Loop and Super Node Concept

  • Lecture 15 and 16

    • Thevenin's Theorem

    • Norton's Theorem

    • Examples

    • Maximum Power Transfer Theorem

  • Lecture 17 and 18

    • First Order Circuits

    • Solution of first order differential equation

    • Series RL circuit example

    • Past Mid-exam review (posted above)

  • Lecture 19 and 20

    • Mid-Exam

    • Series RC Circuit

    • Solving First Order Complicated Circuit

  • Lecture 21 and 22

    • Problems on First Order Circuits (Chapter 4 end)

    • Initial Conditions

  • Lecture 23 and 24

    • Problems on Initial Conditions (Chapter 5)

    • Second Order Circuits - Solution of Homogeneous Differential Equation

  • Lecture 25 and 26

    • Solution of Homogeneous 2nd order Differential Equation - Standard form formulation

    • Series, Parallel RLC Circuit

  • Lecture 27 and 28

    • Higher order differential equations, time varying forcing function

    • Problems