Understanding parallel AC circuits from "summary" of Electronics - Circuits and Systems by Owen Bishop
To understand parallel AC circuits, we must first grasp the basic principles of parallel circuits in general. In a parallel circuit, components are connected in such a way that the voltage across each component is the same, while the current through each component may vary. This is in contrast to series circuits, where the current is constant throughout but the voltage may vary. When dealing with parallel AC circuits, we must consider the complex nature of alternating current. AC circuits involve not only resistance, but also inductance and capacitance. These elements introduce a phase difference between the current and voltage, which must be taken into account when analyzing parallel AC circuits. In a parallel AC circuit, the total current flowing into the circuit is divided among the different branches according to the impedance of each branch. Impedance is the combination of resistance, inductive reactance, and capacitive reactance in an AC circuit. The impedance of each branch in a parallel circuit will determine the amount of current flowing through that branch. To analyze parallel AC circuit...
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