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13. LCR Circuits—AC Voltage

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Physics

For more information about Professor Shankar’s book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics, II (PHYS 201)

The mathematics underlying LCR circuit theory for AC currents is discussed. Complex numbers are used to convert differential equations to algebraic equations. The notion of impedance is introduced. The radio is used to illustrate the concepts of resonance and variable capacitance. The body of classical electromagnetism treated so far is reviewed and summarized. The displacement current is introduced, leading to the complete Maxwell equations.

00:00 – Chapter 1. Review of LCR Circuits
08:48 – Chapter 2. Impedance
17:39 – Chapter 3. Resonance and Variable Capacitance
68:03 – Chapter 4. Displacement current

This course was recorded in Spring 2010.

For more information about Professor Shankar’s book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.