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This example shows series resonance. Three identical RLC circuits are being driven by three different frequencies.  The middle one is being driven at the resonance frequency (shown in the lower right corner of the screen as "res.f").  The top one is being driven at a slightly lower frequency, and the bottom one has a slightly higher frequency.  The peak voltage in the middle circuit is very high because it is resonating with the source.

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Generated Tue Feb 23 2010