Rlc Series Circuit Resonance Frequency. Resonance occurs in a series circuit when the supply frequency causes the voltages across l and c to be equal and opposite in phase. F r 1 2π lc at its resonant frequency the total impedance of a series rlc circuit is at its minimum.
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We have also seen in our tutorial about series rlc circuits that two or more sinusoidal signals can be combined using phasors providing that they have the same frequency supply. Rlc resonance is a special frequency at which the electrical circuit resonates. It also means that the current will peak at the resonant frequency as both inductor and capacitor appear as a short circuit.
The above graph shows the plot between circuit current and frequency.
F r 1 2π lc at its resonant frequency the total impedance of a series rlc circuit is at its minimum. Resonance occurs in a series circuit when the supply frequency causes the voltages across l and c to be equal and opposite in phase. The resonant frequency for an rlc circuit is the same as a circuit in which there is no damping hence undamped resonance frequency. The value of rlc frequency is determined by the inductance and capacitance of the circuit.
