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4) What is Ex, the x-component of the electric field at (x = 0, y = 0, z = 0) at t = 0? V/m Submit

4) What is Ex, the x-component of the electric field at (x = 0, y = 0, z = 0) at t = 0? V/m Submit

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I need help with questions 4 and 5

4) What is Ex, the x-component of the electric field at (x = 0, y = 0, z = 0) at t = 0? V/m Submit 5) Compare the sign and magnitude of Sz, the z-component of the Poynting vector at (x=y=z=t=0) of the wave described above to the sign and magnitude of SIIZ, the z-component of the Poynting vector at (x=y=z=t3=0) of another plane monochromatic electromagnetic wave propagating through vaccum described by: B- (Buzi- BiIy3) cos(kz - wt) where Bllx = 4.7 X 10-6 T, BIly = 3.8 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively. < 0 and magnitude(S||z) = magnitude(Sz) SIiz < O and magnitude(S||z) = magnitude(Sz) SIlz > 0 and magnitude(S||z) = magnitude(Sz) > 0 and magnitude(S||z) = magnitude(Sz) Silz
Transcribed Image Text:4) What is Ex, the x-component of the electric field at (x = 0, y = 0, z = 0) at t = 0? V/m Submit 5) Compare the sign and magnitude of Sz, the z-component of the Poynting vector at (x=y=z=t=0) of the wave described above to the sign and magnitude of SIIZ, the z-component of the Poynting vector at (x=y=z=t3=0) of another plane monochromatic electromagnetic wave propagating through vaccum described by: B- (Buzi- BiIy3) cos(kz - wt) where Bllx = 4.7 X 10-6 T, BIly = 3.8 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively. < 0 and magnitude(S||z) = magnitude(Sz) SIiz < O and magnitude(S||z) = magnitude(Sz) SIlz > 0 and magnitude(S||z) = magnitude(Sz) > 0 and magnitude(S||z) = magnitude(Sz) Silz
A plane monochromatic electromagnetic wave with wavelength A = 3.3 cm, propagates through a vacuum. Its magnetic field is described by %3D B= (Bi+ By j) cos(kz+wt) where By = 3.8 X 10-6 T, By = 4.7 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively.
Transcribed Image Text:A plane monochromatic electromagnetic wave with wavelength A = 3.3 cm, propagates through a vacuum. Its magnetic field is described by %3D B= (Bi+ By j) cos(kz+wt) where By = 3.8 X 10-6 T, By = 4.7 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x and +y directions, respectively.
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