(Solved): (a) Explain the definition and meaning of displacement current? Dose it denot ...

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(a) Explain the definition and meaning of displacement current? Dose it denote that electric field is the source of magnetic field? (b) What is Poynting vector? State the physical meaning of the direction of Poynting vector. (c) Explain the characteristics of circular polarized TEM wave. (d) Assume the electric field intensity of a uniform plane wave is \( \vec{E}=\left(\overrightarrow{e_{x}} 3+\right. \) \( \left.\overrightarrow{e_{y}} 4\right) e^{-\frac{\pi}{3} j(4 x+A y+\sqrt{11} z)} \), find. (i) The value of \( \mathrm{A} \). (ii) The wavelength of the uniform plane wave. (iii) The polarization of the uniform plane wave: