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. E fooo B (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. nT magnitude direction --Select--- ✓ i (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmax k, and w, and with its magnitude in the form B = Bmax cos(kx - wt). (Assume B is measured in nT, x is measured in m and t in s.) B cos ])-x x 107) tk nT
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. E fooo B (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. nT magnitude direction --Select--- ✓ i (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmax k, and w, and with its magnitude in the form B = Bmax cos(kx - wt). (Assume B is measured in nT, x is measured in m and t in s.) B cos ])-x x 107) tk nT
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![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.
$000
B
(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.
nT
magnitude
direction
---Select--- ✓
(c) Write an expression for Bwith the correct unit vector, with numerical values for Bmax, k, and w, and with its magnitude in the form
B = B.
cos (kx - wt).
(Assume B is measured in nT, x is measured in m and t in s.)
max
B = -
COS
X-
| × 107) t] knT](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F875f36d7-451b-4aeb-9362-390dfdd6e952%2F3fcdf5bd-d9c2-45e7-b51b-a04a1542bf08%2F3y6u939_processed.png&w=3840&q=75)
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.
$000
B
(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.
nT
magnitude
direction
---Select--- ✓
(c) Write an expression for Bwith the correct unit vector, with numerical values for Bmax, k, and w, and with its magnitude in the form
B = B.
cos (kx - wt).
(Assume B is measured in nT, x is measured in m and t in s.)
max
B = -
COS
X-
| × 107) t] knT
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