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Contents

Network Analysis

Circuit Elements

Circuit Elements Review Independent Sources Dependent Sources Source Transformation Dot Convention Star-Delta Transformation

Network Theorems

Kirchhoff's Laws Mesh Analysis Nodal Analysis Superposition Theorem Thevenin's Theorem Norton's Theorem Maximum Power Transfer Reciprocity Theorem Millman's Theorem Tellegen's Theorem Compensation Theorem

Transient Analysis

Transient Behavior First Order RC Circuits First Order RL Circuits Second Order RLC Series RLC Parallel Response Laplace for Transients Initial Conditions

Sinusoidal Steady State

Phasors Impedance and Admittance AC Power Analysis Complex Power Power Factor Correction Three Phase Systems Power Measurement 2-Wattmeter Unbalanced 3-Phase

Resonance

Series Resonance Parallel Resonance Q Factor and Bandwidth Locus Diagrams

Two-Port Networks

Z Parameters Y Parameters h Parameters ABCD Parameters g Parameters Parameter Conversions Interconnection of Two-Ports T and Pi Networks

Network Synthesis

Network Synthesis Intro Positive Real Functions LC Network Synthesis RC Network Synthesis RL Network Synthesis Foster Forms Cauer Forms Properties of LC/RC/RL Immitance

Other Topics

Graph Theory Cut Set and Tie Set Duality SPICE Basics Filter Fundamentals Constant-k Filters m-derived Filters

Other Subjects

Analog Electronics Digital Electronics Signals & Systems Control Systems Electromagnetic Theory Digital Communication Analog Communication Microprocessors VLSI Design Verilog HDL Power Electronics Embedded Systems DSP Electronic Devices

Section Progress50%

4 of 8 articles

Complex Power

S = P + jQ, power triangle.

Updated: 19 March 2026

11 min read

Complex Power Quiz

Verify your command of complex power computation, the power triangle, and conservation of complex power.

Question 1 of 3

Q1.Given V = 100 angle 30 deg V rms and I = 5 angle -10 deg A rms, the complex power S delivered to the load is:

Related Articles

Power Measurement 2-Wattmeter

Measuring 3-phase power.

12 min read

Phasors

Complex number representation of sinusoids.

9 min read

Impedance and Admittance

Complex Z and Y, resistance, reactance.

11 min read

Unbalanced 3-Phase

Symmetrical components intro.

4 min read

Three Phase Systems

Balanced Y-Y, Y-Delta connections.

5 min read

AC Power Analysis

Power Factor Correction