18.1 Introduction 18.2 The J-Operator 18.3 Inductive Reactance 18.4 Capacitive Reactance 18.5 Rectangular and Polar Notation 18.6 Rules of Complex Algebra 18.7 Admittance, Conductance, and Susceptance 18.8 Impedance and Admittance TrianglesSummaryConventional Questions (CQ)