5.4 Use of Complex Exponential Source cont.
I = 10/(3 + j6)¾which is an equation in complex numbers only (no time functions at all) which yields the magnitude and phase angle unique to the current response, namely …
I = 10/0°/(3 + j6) » (10/0°)/(6.71/63.43°)
» 1.49/-63.43° (Do these figures look familiar?)