(a) Calculate the frequency of the wave. MHZ (b) Calculate the magnetic field Bwhen the electric field has its maximum value in the negative y direction. magnitude direction -Select-- ]nT (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmay k, and w, and with its magnitude in the form B = B cos (kx - wt).
(a) Calculate the frequency of the wave. MHZ (b) Calculate the magnetic field Bwhen the electric field has its maximum value in the negative y direction. magnitude direction -Select-- ]nT (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmay k, and w, and with its magnitude in the form B = B cos (kx - wt).
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Transcribed Image Text:The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 48.0 m and the electric field vibrates in the xy plane with an amplitude of 20.0 V/m.
(a) Calculate the frequency of the wave.
MHz
(b) Calculate the magnetic field Bwhen the electric field has its maximum value in the negative y direction.
magnitude
nT
direction
---Select--- v
(c) Write an expression for Bwith the correct unit vector, with numerical values for Bmay k, and w, and with its magnitude in the form
B = Bmay cos (kx - wt).
(Assume B is measured in nT, x is measured in m and t in s.)
B =
cos
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