2140 - Notes, Syllabus Section IV, lecture 26 (10/30/95)

(Here is the previous lecture )

More detailed notes for this class can be found here

Review last class, linear R-L-C circuit

Resonances in circuits... what happens when impedence becomes real?

Algebra required to find square of current (power)

Discussion of how to sketch this power, limits at low frequency, high, and near resonance

Estimate of the width (Full width at half max) of the dispersion, or Lorentzian curve

Discussion of physical analogue - a swing, or box on a spring

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