Pre-Maxwell Electrodynamics (Paperback)

Sprache: Englisch

Verlag: Independently Published, 2025

9798277308929

Serie: Buch 1 von 4 - Electrodynamic Foundations Series

Anbieter: Grand Eagle Retail, Bensenville, IL, USAGrand Eagle Retail

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Verkäufer:in bei AbeBooks seit 12. Oktober 2005

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Artikelbeschreibung des Verkäufers

Paperback. This book provides a clear and simplified understanding of the fundamental ideas of electricity and magnetism that existed before Maxwell unified them into modern electromagnetism. Written in easy language and supported by concept-based explanations, question-answer format, and MCQs, it helps readers build strong foundational knowledge in electrodynamics.We begin with electrostatics, where charges are at rest. Using Coulomb's law, we learn how charges interact and how the force depends on magnitude, distance, and the nature of charges. This leads naturally to the concept of the electric field, defined as the force per unit test charge. The book explains why this idea was introduced, the difference between source charge and test charge, and why the test charge must be very small.Next, the book introduces Gauss's law, which relates electric flux through a closed surface to the enclosed charge. The properties of the electrostatic field are then explained, including why it is conservative (zero curl), how electric potential is defined, and why the relation E=-VE = -\nabla VE=-V shows that electric field always points "downhill" in potential.We then move to magnetostatics, the study of magnetic fields from steady currents. The Biot-Savart law describes how a current element produces a magnetic field, while Ampere's law gives a powerful method to calculate magnetic fields in symmetric situations. Key properties such as closed magnetic field lines, the absence of magnetic monopoles, and the relation B=m0J\nabla\times B = \mu_0 JB=m0J are described clearly.The book then explains Faraday's law of electromagnetic induction, one of the most important discoveries in physics. A changing magnetic field produces a circulating electric field, leading to induced emf and current. This makes the electric field non-conservative in electrodynamics, since E0\nabla\times E \neq 0E=0. Everyday applications such as generators and transformers connect theory with real life.A major highlight of the book is the explanation of the failure of the original Ampere's law when applied to time-varying situations. Using the example of a charging capacitor, it is shown that Ampere's law predicts contradictory magnetic fields depending on the chosen surface. This inconsistency revealed the need for modification.Maxwell's revolutionary idea of displacement current-a current produced not by moving charges but by a changing electric field-solves this problem. Adding the displacement current term leads to the Ampere-Maxwell law, which works for both steady and time-varying fields and satisfies charge conservation. This correction ultimately paved the way for the existence of electromagnetic waves.The book concludes with a comprehensive collection of conceptual questions, long answers, and 27 MCQs, all designed for quick revision and deep understanding.This book is ideal for students of physics at the undergraduate level, competitive exam aspirants, and anyone seeking a simplified yet complete foundation in electrodynamics before Maxwell's equations. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

Bestandsnummer des Verkäufers 9798277308929

Titel
Pre-Maxwell Electrodynamics (Paperback)
Autor
Bindhu Christopher
Verlag
Independently Published
Erscheinungsjahr
2025
Zustand
new
Einband
Paperback
Sprache
Englisch
ISBN-13
9798277308929
Serie
Buch 1 von 4: Electrodynamic Foundations Series

Grand Eagle Retail

Bensenville, IL, USA

Verkäufer/-in mit 5 Sternen

Verkäufer:in bei AbeBooks seit 12. Oktober 2005

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