Suppose the magnetic field of an electromagnetic wave is given by B = (1.3 x 10-10) sin(kx - cot) T. (a) What is the average energy density of the magnetic field of this wave? 3/m³ (b) What is the average energy density of the electric field? 3/m³

Suppose the magnetic field of an electromagnetic wave is given by B = (1.3 x 10-10) sin(kx - cot) T. (a) What is the average energy density of the magnetic field of this wave? 3/m³ (b) What is the average energy density of the electric field? 3/m³

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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Question

Suppose the magnetic field of an electromagnetic wave is given by B =
: (1.3 × 10−¹0) sin(kx – wt) T.
(a) What is the average energy density of the magnetic field of this wave?
J/m³
(b) What is the average energy density of the electric field?
J/m³

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