Field Theory

Field Theory

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Electric fieldsa. Coulomb s Law and electric field intensity : Experiment law of Coulomb, Electric field intensity, Field due to continuous volume charge, line charge and sheet charge.b. Electric flux density, Gauss s law and divergence : Electric flux density, Gauss s law, application of Gauss s law, vector operator v and divergence theorem. c. Energy and potential : Energy expended in moving a point charge in an electric field, line integral, definition or potential difference and potential, potential field of a point charge and a system of charges, potential gradient, energy density in an electric field.d. Conductors, dielectrics and capacitance : Current and current ensity, continuity of current, metallic conductors, conductor properties and boundary conditions, boundary conditions for perfect dielectrics, capacitance and examples.e. Poisson s and Laplace s equations : Poisson s and Laplace s equations, Uniqueness theorem, examples of the solutions of Laplace s and Poisson s equations. Magnetic fieldsa. The steady magnetic field : Biot-Savart law, Ampere s circuital law, Curl, Stoke s theorem, magnetic flux and flux density, scalar and vector magnetic potentials. b. Magnetic forces, materials and inductance : Force on a moving charge and differential current element, between differential current elements, force and torque on a closed circuit, magnetization and permeability, magnetic boundary conditions, magnetic circuit, energy and forces on magnetic materials, self inductance.Time varying fields and Maxwell s equationsFaraday s law, displacement current, Maxwells equation in point and integral form, retarded potentials.Electromagnetic wavesUniform plane wave : Wave propagation in free space and dielectrics, Poynting vector and power considerations, propagation in good conductors (skin effect), wave polarization. Plane waves at boundaries and in dispersive media : Reflection of uniform plane waves at normal incidence, SWR.Electromagnetics is a branch of physics or electrical engineering which is used to study the electric and magnetic phenomena ... Then it explains the concepts of an electric potential, absolute potential, potential difference and the energy in the electrostatic field ... The chapter 7 is dedicated to the magnetic field in free space.

Title:Field Theory
Author: A.V.Bakshi U.A.Bakshi
Publisher:Technical Publications - 2007-01-01

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