EE240 Circuits 1

Fall 2020

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



Announcements

  • (Nov. 03) We will have mid-exam on Nov. 07 (2 pm to 4:30 pm).

  • (Oct. 12) Quiz 02 scheduled on Oct. 15 during the live session.

  • (Oct. 12) Assignment 02 has been posted.

  • (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

  • Tutorial Schedule: Saturday 3 PM to 4 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, 4 pm to 5 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 05 Oct. Solutions
Assignment 02 31 Oct. Solutions
Assignment 03 28 Nov. Solutions
Assignment 04 03 Dec. Solutions
Assignment 05 11 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

  • Week 02 (Notes)

    • Passive Elements: Capacitor, capacitance, IV characteristics, Examples

  • Week 03 (Notes 1) (Notes 2)

    • Passive Elements: Inductor, induactance

    • R,L,C summary

    • Series, parallel connection

  • Week 04 (Notes)

    • Series, parallel connection of sources

    • Practical models of R,L,C

    • V,I practical sources

    • Controlled Sources

    • Mutual Inductance

    • Dot Convention

    • Graphical Representation

  • Week 05, 06 (Notes)

    • Circuit Analysis Overview

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

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

    • Network Equations for mutually coupled circuits

    • Matrix Formulation

    • Examples

  • Week 07 (Notes)

    • Equivalent Networks Concept

    • Source Transformation

    • Moving Sources

    • Superposition Principle

  • Week 08

    • Super Node (Notes)

    • Super Loop

    • Duality in Circuits (Notes)

  • Week 09 (Notes)

    • Thevenin's Theorem

    • Norton's Theorem

    • Examples

    • Maximum Power Transfer Theorem

  • Week 10 (Notes)

    • First Order Circuits

    • Solution of first order differential equation

    • Series RC Circuit

    • Series RL circuit

    • Solving First Order Complicated Circuit with DC sources

    • Problems on First Order Circuits




  • Lecture 21 and 22

    • Initial Conditions

    • Problems on Initial Conditions (Chapter 5)

    • Second Order Circuits - Solution of Homogeneous Differential Equation

  • Lecture 23 and 24

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

    • Series, Parallel RLC Circuit

  • Lecture 25 and 26

    • Higher order differential equations, time varying forcing function

    • Problems