====== EC1010: Electrical and Magnetic Circuits(Jan.-May 2012) ======

These lectures are available on the web for the benefit of students at IIT Madras and elsewhere. Copyrights to these rest solely with the instructor and IIT Madras. Copying them, publishing them, rehosting them on other servers, or using them for any sort of commercial gain is prohibited.

See [[:viewinglectures|this page]] for information on how to view these videos. 


===== Instructor: Nagendra Krishnapura =====

This is a course on circuit analysis. Problem sets and other instructions can be found [[http://www.ee.iitm.ac.in/vlsi/courses/ec1010_2012/start|here]]. Familiarity with basic calculus is assumed. At IIT Madras, this is a prerequisite course for Networks and Systems and [[http://www.ee.iitm.ac.in/~nagendra/videolectures/doku.php?id=|Analog Circuits]]. 

The lectures are also available in iPod format(320x240 video, AAC audio). Click on the link marked iPod next to each lecture to download these.

==== Lectures ====

  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/ec1010-intro.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-01-02]]: Introduction to the course
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120103/20120103.html|2012-01-03]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120103/20120103.m4v|iPod]]): Current and Voltage; Kirchhoff's Current and Voltage laws
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120105/20120105.html|2012-01-05]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120105/20120105.m4v|iPod]]): Electrical circuit elements: Voltage and current sources; R, C, L, M
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120106/20120106.html|2012-01-06]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120106/20120106.m4v|iPod]]): Elements in series and parallel; Superposition in linear circuits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120109/20120109.html|2012-01-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120109/20120109.m4v|iPod]]): Controlled sources; Energy and power in elements; Energy in a mutual inductor and constraint on mutual inductance
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120110/20120110.html|2012-01-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120110/20120110.m4v|iPod]]): Nodal analysis of a network with conductances and current sources; Setting up the equations; Conductance matrix; Superposition
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120111/20120111.html|2012-01-11]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120111/20120111.m4v|iPod]]): Nodal analysis with voltage sources and controlled sources; Modified nodal analysis
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120112/20120112.html|2012-01-12]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120112/20120112.m4v|iPod]]): Modified nodal analysis with controlled sources; Loop analysis
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120113/20120113.html|2012-01-13]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120113/20120113.m4v|iPod]]): Loop analysis with link currents as variables; Loop analysis for planar circuits(Mesh analysis) with mesh currents as variables
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120117/20120117.html|2012-01-17]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120117/20120117.m4v|iPod]]): Substitution theorem; Thevenin's theorem
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120123/20120123.html|2012-01-23]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120123/20120123.m4v|iPod]]): Thevenin's theorem; Norton's theorem; Pushing a voltage source through a node; Splitting a current source; Tellegen's theorem
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120124/20120124.html|2012-01-24]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120124/20120124.m4v|iPod]]): Tellegen's theorem; Reciprocity theorem
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120125/20120125.html|2012-01-25]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120125/20120125.m4v|iPod]]): Compensation theorem; Maximum power transfer theorem; Circuits with nonlinear components
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120131/20120131.html|2012-01-31]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120131/20120131.m4v|iPod]]): Two port parameters
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120202/20120202.html|2012-02-02]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120202/20120202.m4v|iPod]]): Negative feedback
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120203/20120203.html|2012-02-03]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120203/20120203.m4v|iPod]]): Opamp for realizing negative feedback circuits; Determining opamp signs for negative feedback
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120206/20120206.html|2012-02-06]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120206/20120206.m4v|iPod]]): Determining opamp signs for negative feedback; Circuits using opamps
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120207/20120207.html|2012-02-07]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120207/20120207.m4v|iPod]]): Opamp amplifiers; Two port representations(cont'd); RC circuit natural response; First order differential equation
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120209/20120209.html|2012-02-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120209/20120209.m4v|iPod]]): Step response of RC circuits; Response of a first order circuit to exp(st)
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120210/20120210.html|2012-02-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120210/20120210.m4v|iPod]]): Sinusoidal steady response of RC circuits; RL circuits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120214/20120214.html|2012-02-14]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120214/20120214.m4v|iPod]]): Step response of RC/RL circuits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120216/20120216.html|2012-02-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120216/20120216.m4v|iPod]]): Series RLC circuit; Second order differential equation; Natural response
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120217/20120217.html|2012-02-17]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120217/20120217.m4v|iPod]]): Second order system natural response and step response; AC signal measures; Sinusoidal steady state analysis
  - 2012-02-21: Quiz II discussion
  - 2012-02-23: Quiz II review
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120228/20120228.html|2012-02-28]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120228/20120228.m4v|iPod]]): Sinusoidal steady state analysis; Phasors
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120229/20120229.html|2012-02-29]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120229/20120229.m4v|iPod]]): Sinusoidal steady state response of first order(RC) and second order(series RLC) circuits
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120301/20120301.html|2012-03-01]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120301/20120301.m4v|iPod]]): Series and parallel RLC circuits; Concept of complex power
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120302/20120302.html|2012-03-02]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120302/20120302.m4v|iPod]]): Complex power, Apparent power, Reactive power, Power factor, Power factor correction; Conjugate matching for maximum power transfer
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120305/20120305.html|2012-03-05]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120305/20120305.m4v|iPod]]): Locus diagrams
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120309/20120309.html|2012-03-09]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120309/20120309.m4v|iPod]]): Active and reactive power; Introduction to three phase supply
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120313/20120313.html|2012-03-13]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120313/20120313.m4v|iPod]]): Coupled inductors; Ideal transformer
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120315/20120315.html|2012-03-15]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120315/20120315.m4v|iPod]]): Three phase circuits; Star to Delta transformation; Real and reactive power with a balanced three phase load
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120316/20120316.html|2012-03-16]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120316/20120316.m4v|iPod]]): Symmetrical component representation of unbalanced three phase components; Power measurement
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120320/20120320.html|2012-03-20]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120320/20120320.m4v|iPod]]): Two wattmeter method for three phase power measurement; Magnetic circuits-Basics of magnetic field, MMF and flux
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120322/20120322.html|2012-03-22]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120322/20120322.m4v|iPod]]): Flux density in a single loop; Solenoid; Solenoid with a ferromagnetic core
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120326/20120326.html|2012-03-26]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120326/20120326.m4v|iPod]]): Magnetic circuits with loops of ferromagnetic material; Inductance of a coil with a ferromagnetic core loop; Core nonlinearity, hysteresis
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120327/20120327.html|2012-03-27]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120327/20120327.m4v|iPod]]): Magnetic circuits; Transformer with a ferromagnetic core; Hysteresis loss
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120329/20120329.html|2012-03-29]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120329/20120329.m4v|iPod]]): Eddy current loss and its minimization; Magnetic circuits miscellania
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120330/20120330.html|2012-03-30]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120330/20120330.m4v|iPod]]): Switched capacitor as a resistor; Obtaining a dc voltage from another dc source
  - 2012-03-31: DC-DC buck converter (no recording)
  - [[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120410/20120410.html|2012-04-10]]([[http://www.ee.iitm.ac.in/~nagendra/EC1010/201201/lectures/20120410/20120410.m4v|iPod]]): DC-DC buck converter; Output voltage ripple
  - 2012-04-17: Quiz IV discussion; Course summary

==== Problem sets ====

  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/emc_prob1.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-01-27: Problem set 1]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/emc_prob2.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-02-13: Problem set 2]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/rcstepresponse.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-02-24: Problem set 3]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/rcstepresponse.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-02-27: Problem set 3]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/emc_prob4.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-03-06: Problem set 4]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/emc_prob5.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-04-02: Problem set 5]]
  - [[http://www.ee.iitm.ac.in/vlsi/_media/courses/ec1010_2012/emc_prob5.pdf?id=courses%3Aec1010_2012%3Astart&cache=cache|2012-04-03: Problem set 5]]
  - {{ec1010_2012nk:emc_prob6.pdf|2012-04-12: Problem set 6}}

==== Quizzes ====

  - 2012-01-30: Quiz I
  - 2012-02-20: Quiz II
  - 2012-03-12: Quiz III
  - 2012-04-16: Quiz IV