However, when we begin to analyze alternating current circuits, we find that quantities of voltage,
current, and even resistance (called impedance in AC) are not the familiar one-dimensional quantities
we’re used to measuring in DC circuits. Rather, these quantities, because they’re dynamic
(alternating in direction and amplitude), possess other dimensions that must be taken into account.
However, when we begin to analyze alternating current circuits, we find that quantities of voltage,current, and even resistance (called impedance in AC) are not the familiar one-dimensional quantitieswe’re used to measuring in DC circuits. Rather, these quantities, because they’re dynamic(alternating in direction and amplitude), possess other dimensions that must be taken into account.
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