The following expressions of electric and magnetic fields describe an electromagnetic wave traveling at speed c in the positive x-direction. 2л E(x, y, z,t) = E,(x,t) j = E, , sin(- -"-(x-ct))} 2л 1 В(х, у, z,1) — В. (х,1)k 3D — E,0 sin((*-cl)k a) Determine the Poytning vector associated with this wave. b) Briefly explain the physical meaning of Poynting vector.

The following expressions of electric and magnetic fields describe an electromagnetic wave traveling at speed c in the positive x-direction. 2л E(x, y, z,t) = E,(x,t) j = E, , sin(- -"-(x-ct))} 2л 1 В(х, у, z,1) — В. (х,1)k 3D — E,0 sin((*-cl)k a) Determine the Poytning vector associated with this wave. b) Briefly explain the physical meaning of Poynting vector.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 28PQ: Suppose the magnetic field of an electromagnetic wave is given by B = (1.5 1010) sin (kx t) T. a....

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