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Practical Electronics/Series RLC
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A circuit of 3 components connected in series
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Circuit's response
Equilibrium Response
At Equilibrium, the sum of all voltages equal to zero
The equation above can be written as below
With
Roots of 2nd ordered differential equation above
Resonance Response
The total impedance of the circuit
At the total impedance of the circuit is Z = R . Therefore, current is equal to
At , Capacitor opens circuit . Therefore, current is equal to zero
At , Inductor opens circuit . Therefore, current is equal to zero