The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 47.0 m and the electric field vibrates in the xy plane with an amplitude of 26.0 V/m. 189 B (a) Calculate the frequency of the wave. (b) Calculate the magnetic field B when the electric field has its maximum value in the negative y direction. (c) Write an expression for B with the correct unit vector, with numerical values for B k, and w, and with its magnitude in the form max' B = B cos (kx - wt). max
The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 47.0 m and the electric field vibrates in the xy plane with an amplitude of 26.0 V/m. 189 B (a) Calculate the frequency of the wave. (b) Calculate the magnetic field B when the electric field has its maximum value in the negative y direction. (c) Write an expression for B with the correct unit vector, with numerical values for B k, and w, and with its magnitude in the form max' B = B cos (kx - wt). max
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 72PQ
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