Syllabus
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Course Code: EP-902 Course Name: Electrodynamics and wave propagation Engineering |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Time Varying Fields and Maxwell Equations Faraday’s Law of induction. displacement current. Maxwell equations. Scalar and vector potentials. Gauge transformation, Lorentz and Coulomb gauges, General Expression for the electromagnetic fields energy, conservation of energy, Poynting’s Theorm. Conservation of momentum, time-Harmonic Fields. |
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| 2 | Electromagnetic Wave Propagation Wave equation, plane waves in free space and isotropic dielectrics, polarization, energy transmitted by a plane wave, waves in conducting media. Skin depth. Reflection and Refraction of EM waves at plane interface, Fresnel’s amplitude relations. Propagation of electromagnetic wave through ionosphere; Reflection of electromagnetic waves by ionosphere. |
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| 3 | Waveguides and Resonant Cavities: Field at the surface of and within a conductor, Cylindrical cavities and waveguides, Waveguides, modes in a rectangular waveguide, Energy flow and attenuation in waveguides, Perturbation of boundary conditions, Resonant cavities, Power losses in a cavity: Q of a cavity, Multimode propagation in optical fibers, Expansion in normal modes; Field generated by a localized source in a hollow metallic Guide. |
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| 4 | Electromagnetic radiations Retarded potentials, Radiation from an oscillating dipole, Linear antenna, Lienard-Wiechert potentials, potentials for a charge in uniform motion-Lorentz formula, Fields of an accelerated charge, Radiation from an accelerated charged particle at low velocity, radiation when the velocity and acceleration of the particles are collinear, radiation from a charged particle moving in a circular orbit, Electric Quadrupole radiation. |
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