68 Norton Theorem Step 2 Find the Norton current source, IN by replacing ZL= (2 + j3) Ω with a short circuit. Figure 3.3(c) Figure 3.3(d) Figure 3.3(e) By using Ohm’s law, V (10<30) IN= = = (0.235 + j1.544) A R T ( 4−j5)