... for example, inthree of the four quadrants of the i-v characteristic and can therefore act as sources of energy for specific combinations of voltages and currents. An example of thisdual behavior ... only of parallel oronly of series elements. The following examples and Check Your Understandingexercises illustrate some simple and slightly more advanced circuits that combineparallel and ... circuits and instruments.EXAMPLE 2.7 Application of Kirchhoff’s LawsProblemApply both KVL and KCL to each of the two circuits depicted in Figure 2.27.SolutionKnown Quantities: Current and voltage...