{ "item_title" : "Electromagnetism Foundations", "item_author" : [" Mitchell Harrell Keith "], "item_description" : "Electromagnetism from first principles, for readers who know calculus and nothing more.Many electromagnetism books promise to need only calculus and then assume vector calculus, differential equations and a full physics course. Others show figures they never explain and state results without the reasoning behind them. This book closes those gaps inside its own covers. Every mathematical tool is taught before it is used, every derivation is written out step by step with a note on why each step is taken, every figure is computed from the equations it illustrates and followed by a paragraph on how to read it, and every result carries a label saying whether it is a definition, a law of nature, a derivation or an approximation.Electromagnetism Foundations builds the subject in 18 chapters: The toolkit: charge, Coulomb's law and the field idea; vector calculus from gradients to the divergence and Stokes theorems and the Dirac deltaElectrostatics: Gauss's law, potential and energy, conductors and capacitance, uniqueness and images, Laplace's equation, dielectricsCurrents and magnetism: conduction and circuits from a field viewpoint, the Lorentz force, Biot-Savart and Ampère, vector potential and magnetic materialsElectrodynamics: induction and inductance, Maxwell's equations, energy flow and the momentum of lightWaves and radiation: waves in matter and plasmas, reflection, optical fibres, transmission lines, waveguides, antennasDeeper structure and applications: special relativity and the unity of electric and magnetic fields; computing fields with checked accuracy; medicine, Earth and spaceInside you will find: 145 worked examples, each set out as Strategy, Solution and Check342 practice problems at three levels, with full step-by-step solutions in Appendix A100 original computed figures and 317 numbered equations, with every number checked by calculationEngineering Bridge boxes translating physics notation into electrical-engineering practiceApplications across the sciences: MRI and brain stimulation, the ECG, lightning, auroras and space weather, GPS, climate, radio astronomy, optical fibres and the internetAppendices of constants, material data, vector formulas and a physics-engineering dictionary, plus a list of symbols, glossary and indexWritten for undergraduates in physics and electrical engineering, for students in chemistry, biomedical and Earth sciences who need electromagnetism, and for self-learners who want to understand fields properly, not just use formulas.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/816/551/9798165511899_b.jpg", "price_data" : { "retail_price" : "120.99", "online_price" : "120.99", "our_price" : "120.99", "club_price" : "120.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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