Resonance in AC circuits from "summary" of Electronics - Circuits and Systems by Owen Bishop
Resonance is a significant concept in AC circuits that occurs when the impedance of a circuit is at a minimum, causing the current flow to be at a maximum. This phenomenon is similar to the natural frequency of a mechanical system, where energy is efficiently transferred between the source and the load. In an AC circuit containing inductance and capacitance, resonance can be achieved by adjusting the frequency of the applied voltage. At resonance, the inductive and capacitive reactances cancel each other out, resulting in a purely resistive impedance. This leads to a peak in current flow through the circuit. The frequency at which resonance occurs is called the resonant frequency, denoted by ω₀. At this frequency, the reactive components in the circuit cancel each other out, leaving only the resi...
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