The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 41.0 m and the electric field vibrates in the xy plane with an amplitude of 23.0 V/m. (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 Bmax K, and w, and with its magnitude in the form B=B cos (kx - cut). max

Physics for Scientists and Engineers: Foundations and Connections
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Chapter34: Maxwell’s Equations And Electromagnetic Waves
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The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 41.0 m and the electric field vibrates in the xy plane with an
amplitude of 23.0 V/m.
100
B
y
TE
Ē
TO
(a) Calculate the frequency of the wave.
i
(b) Calculate the magnetic field B when the electric field has its maximum value in the negative y direction.
B = B cos (kx - wt).
max
(c) Write an expression for B with the correct unit vector, with numerical values for B
max'
k, and w, and with its magnitude in the form
Transcribed Image Text:The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 41.0 m and the electric field vibrates in the xy plane with an amplitude of 23.0 V/m. 100 B y TE Ē TO (a) Calculate the frequency of the wave. i (b) Calculate the magnetic field B when the electric field has its maximum value in the negative y direction. B = B cos (kx - wt). max (c) Write an expression for B with the correct unit vector, with numerical values for B max' k, and w, and with its magnitude in the form
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