11.0 Introduction

• Power flow in a circuit
• Overview

11.1 Integral and differential conservation statements 11.2 Poynting's theorem

• Systems composed of perfect conductors and free space

11.3 Ohmic conductors with linear polarization and magnetization

• An alternative conservation theorem for electroquasistatic systems
• Poynting power density related to circuit power input
• Poynting flux and electromagnetic radiation

11.4 Energy storage

• Energy densities
• Energy storage in terms of terminal variables

11.5 Electromagnetic dissipation

• Energy conservation for temporarily periodic systems
• Induction heating
• Dielectric heating
• Hysteresis losses

11.6 Electrical forces on macroscopic media 11.7 Macroscopic magnetic forces

• Reciprocity conditions
• Finding the coenergy
• Evaluation of the force
• The torque of electrical origin

11.8 Forces on macroscopic electric and magnetic dipoles

• Force on an electric dipole
• Force on electric charge derived from energy principle
• Force on a magnetic charge and magnetic dipole
• Comparison of Coulomb's force to the force on a magnetic dipole

11.9 Macroscopic force densities

• The Lorentz force density
• The Kelvin polarization force density
• The Kelvin magnetization force density
• Alternative force densities

11.10 Summary