An introduction to applied electromagnetism
This text, which introduces electromagnetism to students of electrical/electronic engineering & applied physics, emphasizes physical processes, the development of models for these processes & their use in the study of engineering problems. Mathematical techniques are introduced gradually & methodically. The first section of the text covers basic electrostatics & magnetostatics & develops the framework within which a vast area of applications are treated in Part Two. This second section deals with situations where the couplings between electric & magnetic fields cannot be ignored. Part Three covers composite dielectrics/stress control, actuators, classification of machine types & description of circuit components. Throughout, a major effort has been made to help students relate mathematical formalism to physical ideas & practical systems. Several solid examples are given, followed by problems & answers.
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PHENOMENA ASSOCIATED WITH STATIC
Magnetic Field Systems
8 other sections not shown
air gap Ampere's law angle Answer antenna applying Ampere's law assumed B-H curve behaviour boundary conditions calculate the electric capacitance capacitor characteristic impedance charge density charge distribution charge Q coaxial conducting constant contribution Coulomb's law cross-section Derive described dielectric direction distributed uniformly disturbance eddy currents electric and magnetic electric field electric flux density electrodes electromagnetic energy stored equal equipotential equivalent circuit example Faraday's law field components flux linked force acting formula free charges frequency Gauss's law Gaussian surface Hence ideal dielectrics inductance inside insulation integral interaction iron layer loop losses magnetic circuit magnetic field magnetic materials magnitude mathematical Maxwell's equations negative charge parallel path plane plates point charge polarization potential difference Poynting's vector problem propagation quantity radiation radius rotor segment shown in Figure Similarly Solution spherical surface stator symmetry term torque unit length vector potential velocity voltage wave whilst wire zero