Question: Q.7) a) Using Maxwell equation in phasor form, derive expression for the wave equation in free space. Please note that the vector Laplacian of

Q.7) a) Using Maxwell equation in phasor form, derive expression for the

Q.7) a) Using Maxwell equation in phasor form, derive expression for the wave equation in free space. Please note that the vector Laplacian of E, is defined as VE, = V(V.E.)- V x V x E,. b) Consider a 10 Mhz plane wave propagating in water. At this frequency, losses in water are negligible (e" = 0). Assume in water, , 1 and e, = 55. Find 3, d, phase velocity, intrinsic impedance (7), E,, and Hy. Note that the electric field intensity have a maximum amplitude of 0.4 V/m.[CLO 3, PLO 3] %3D

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