Electromagnetic Field Theory by S.K. Gupta
English | 2021 | ISBN: N/A | ASIN: B0937BL9H7 | 667 pages | PDF | 8.69 Mb
SYLLABUS- ELECTRO MAGNETIC FIELD THEORY, Unit-I: Coordinate Systems and Transformation: Cartesian coordinates, circular cylindricalcoordinates, spherical coordinates.Vector calculus: Differential length, area and volume, line surface and volume integrals, deloperator, gradient of a scalar, divergence of a vector and divergence theorem, curl of a vector andStoke’s theorem, Laplacian of a scalar.
Unit-II: Electrostatics: Electrostatic fields, Coulombs law and field intensity, Electric field due tocharge distribution, Electric flux density, Gausses’s Law- Maxwell’s equation, Electric dipole andflux lines, energy density in electrostatic fields.
Electric Field in Material Space: Properties of materials, convection and conduction currents,conductors, polarization in dielectrics, dielectric constants, continuity equation and relaxation time,boundary condition. Electrostatic boundary value problems: Poission’s and Laplace’s equations,general procedures for soling Poission’s or Laplace’s equations, resistance and capacitance, methodof images.
Unit-III: Magnetostatics: Magneto-static fields, Biot-Savart’s Law, Ampere’s circuit law, Maxwell’sequation, application of ampere’s law, magnetic flux density- Maxwell’s equation, Maxwell’sequation for static fields, magnetic scalar and vector potential.Magnetic Forces, Materials and Devices: Forces due to magnetic field, magnetic torque andmoment, a magnetic dipole, magnetization in materials, magnetic boundary conditions, inductorsand inductances, magnetic energy.
Unit-IV: Waves and Applications: Maxwell’s equation, Faraday’s Law, transformer and motionalelectromotive forces, displacement current, Maxwell’s equation in final form.Electromagnetic Wave Propagation: Wave propagation in lossy dielectrics, plane waves in losslessdielectrics, plane wave in free space, plain waves in good conductors, power and the pointing vector,reflection of a plain wave in a normal incidence.
Unit-V: Transmission lines: Transmission line parameters, Transmission line equations, inputimpedance, standing wave ratio and power, The Smith chart, Some applications of transmissionlines.
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