Transcription of Chapter 13 Maxwell’s Equations and Electromagnetic Waves
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Chapter 13 Maxwell’s Equations and Electromagnetic Waves
Chapter 13 Maxwell s Equations and Electromagnetic Waves The Displacement Gauss s Law for Maxwell s Plane Electromagnetic One-Dimensional Wave Standing Electromagnetic Poynting Example : Solar Example : Intensity of a Standing Energy Momentum and Radiation Production of Electromagnetic Animation : Electric Dipole Radiation Animation : Electric Dipole Radiation Animation : Radiation From a Quarter-Wave Plane Sinusoidal Electromagnetic Appendix: Reflection of Electromagnetic Waves at Conducting 13-35 Problem-Solving Strategy: Traveling Electromagnetic Solved Plane Electromagnetic One-Dimensional Wave Poynting Vector of a Charging Poynting Vector of a Conceptual Additional Solar Reflections of True Coaxial Cable and Power Superposition of Electromagnetic Sinusoidal Electromagnetic Radiation Pressure of Electromagnetic Energy of Electromagnetic Wave Electromagnetic Plane Sinusoidal Electromagnetic 13-2 Maxwell s Equations and Electromagnetic Waves The Displacement Current In Chapter 9, we learned that if a current-carrying wire possesses certain symmetry, the magnetic field can be obtained by using Ampere s law: 0encdI = BsGGv ( ) The equation states that the line int
electromagnetic wave propagating in the +x-direction, with the electric field E G pointing in the +y-direction and the magnetic field B G in the +z-direction, as shown in Figure 13.4.1 below. Figure 13.4.1 A plane electromagnetic wave What we have here is an example of a plane wave since at any instant bothE andB G G are
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