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 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 here. Familiarity with basic calculus is assumed. At IIT Madras, this is a prerequisite course for Networks and Systems and Analog Circuits.
The lectures are also available in iPod format(320×240 video, AAC audio). Click on the link marked iPod next to each lecture to download these.
Lectures
-
2012-01-03(
iPod): Current and Voltage; Kirchhoff's Current and Voltage laws
2012-01-05(
iPod): Electrical circuit elements: Voltage and current sources; R, C, L, M
2012-01-06(
iPod): Elements in series and parallel; Superposition in linear circuits
2012-01-09(
iPod): Controlled sources; Energy and power in elements; Energy in a mutual inductor and constraint on mutual inductance
2012-01-10(
iPod): Nodal analysis of a network with conductances and current sources; Setting up the equations; Conductance matrix; Superposition
2012-01-11(
iPod): Nodal analysis with voltage sources and controlled sources; Modified nodal analysis
2012-01-12(
iPod): Modified nodal analysis with controlled sources; Loop analysis
2012-01-13(
iPod): Loop analysis with link currents as variables; Loop analysis for planar circuits(Mesh analysis) with mesh currents as variables
-
2012-01-23(
iPod): Thevenin's theorem; Norton's theorem; Pushing a voltage source through a node; Splitting a current source; Tellegen's theorem
-
2012-01-25(
iPod): Compensation theorem; Maximum power transfer theorem; Circuits with nonlinear components
-
-
2012-02-03(
iPod): Opamp for realizing negative feedback circuits; Determining opamp signs for negative feedback
2012-02-06(
iPod): Determining opamp signs for negative feedback; Circuits using opamps
2012-02-07(
iPod): Opamp amplifiers; Two port representations(cont'd); RC circuit natural response; First order differential equation
2012-02-09(
iPod): Step response of RC circuits; Response of a first order circuit to exp(st)
2012-02-10(
iPod): Sinusoidal steady response of RC circuits; RL circuits
-
2012-02-16(
iPod): Series RLC circuit; Second order differential equation; Natural response
2012-02-17(
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
-
2012-02-29(
iPod): Sinusoidal steady state response of first order(RC) and second order(series RLC) circuits
2012-03-01(
iPod): Series and parallel RLC circuits; Concept of complex power
2012-03-02(
iPod): Complex power, Apparent power, Reactive power, Power factor, Power factor correction; Conjugate matching for maximum power transfer
-
2012-03-09(
iPod): Active and reactive power; Introduction to three phase supply
-
2012-03-15(
iPod): Three phase circuits; Star to Delta transformation; Real and reactive power with a balanced three phase load
2012-03-16(
iPod): Symmetrical component representation of unbalanced three phase components; Power measurement
2012-03-20(
iPod): Two wattmeter method for three phase power measurement; Magnetic circuits-Basics of magnetic field, MMF and flux
2012-03-22(
iPod): Flux density in a single loop; Solenoid; Solenoid with a ferromagnetic core
2012-03-26(
iPod): Magnetic circuits with loops of ferromagnetic material; Inductance of a coil with a ferromagnetic core loop; Core nonlinearity, hysteresis
2012-03-27(
iPod): Magnetic circuits; Transformer with a ferromagnetic core; Hysteresis loss
2012-03-29(
iPod): Eddy current loss and its minimization; Magnetic circuits miscellania
2012-03-30(
iPod): Switched capacitor as a resistor; Obtaining a dc voltage from another dc source
2012-03-31: DC-DC buck converter (no recording)
-
2012-04-17: Quiz IV discussion; Course summary
Problem sets
Quizzes
2012-01-30: Quiz I
2012-02-20: Quiz II
2012-03-12: Quiz III
2012-04-16: Quiz IV