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Type of bind: Hardcover
Dewey Decimal Number: 537.6
EAN num: 9780138053260
ISBN number: 013805326X
Label: Benjamin Cummings
Manufacturer: Benjamin Cummings
Quantity: 1
Page Count: 576
Printing Date: January 09, 1999
Publishing house: Benjamin Cummings
Sale Popularity Level: 10349
Studio: Benjamin Cummings
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Editor's Notes and Comments:
Product Description:
Features a clear, accessible treatment of the fundamentals of electromagnetic theory. Its lean and focused approach employs numerous examples and problems. Carefully discusses subtle or difficult points. Contains numerous, relevant problems within the book in addition to end of each chapter problems and answers.
User popularity level:
Rated by buyers 
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I used the greek translation for my undergrad electrodynamics. I would agree with some reviewers that it might not be too mathematically advanced. But you need to read it to understand the fundamentals. It gives a very clear and crisp view of the fundamental theory of electromagnetism. If you want to go beyond that and use more advanced mathematics try Electricity and Magnetism (Berkeley Physics Course - Volume 2) which is an amazing book. I think with these two you are unbeatable.
Rated by buyers -
This book was a part of my favorite physics course ever, Electricity and Magnetism. The excersises are of great value to anyone taking entrance exams or the GRE subject test. Explanations may take a few tries to grasp fully but if you do the proper math reviews and take the time to become intimate with the material you will be rewarded with a superior understanding of the subject.
Rated by buyers -
I didn't really learn vector calculus until this book came along. It does in a few paragraphs that takes a whole section in a calc book to do and makes more sense.
Rated by buyers -
Let's just summarise here
Pro's to buying this book and using properly...
1. You will actually learn Electrostatics
2. You will actually learn Magnetostatics
3. You will actually learn Electrodynamics
Con's to buying this book and using properly...
1. There will not be much left to learn about electrodynamics (at least on an introductory scale).
Rated by buyers 
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This book is typical of most E&M text books on a purely theoretical level. They present E&M as a collection of symbols and rules for manipulating them. The development is full of incomplete, unintelligible statements with gaps in between, without any indication that these occur. I find this at best inconsiderate, and at worst nasty and arrogant.
In chapt 1 Griffiths "stumbles" across the problem of integrating over the origin with 1/r^2 in the integrand and then uses this to define the dirac delta function. In chapt 2 the problem of integration with 1/r^2 (and 1/r) is ignored and Gauss' law (divergence theorm) is "derived" by a combination of poor intuition (field lines improperly explained) and half-baked math, finishing with, "Evidently the flux through any surface enclosing the charge is q/eo." No one could possibly "get" this, but they could accept it, depending on their style of learning. "Double Vectors" are introduced later in the book. Wow! Cutting edge science? No, just the old, still very useful, dyadics with a new name.
I am reminded of books on Windows Server. The words are there but somehow they don't make sense. Then you look at the authors who it turns out are in marketing or sales.
To the good, honest, students who genuinely want to understand and learn E&M. Don't be intimidated by the E&M textbooks written for quantum physics (?), or the other reviews. The presentation is incomplete and often unintelligible, and the underlying message of the authors and the reviewers seems to be "I'm smart, and you are dumb if you don't understand this." Somehow struggle through the course knowing that the lack of understanding is not your fault. If after the course by some miracle you are still interested in E&M, teach yourself.
I appreciate that there is a school of thought that doesn't really care where the equations come from or what they mean, that just wants to get E&M out of the way and get on with quantum physics or partial differential equations, ie, learn the language of E&M without the grammar. You will get the words in this book.
A major problem with E&M textbooks is they use vector calculus with total disregard of the content, so that the results don't make sense.
I will try to fill in some of the math gaps. E&M here is the study of continuous charge and current distributions.
Math Prerequisites:
Intuitive notion of continuity, convergence, partial derivatives (lim [f(x+e,y,z)-f(x,y,z)]/e as e-> 0), Definitions of U & E (potential and electric field vector) as volume integrations over charge distributions. A vector is continuous and differentiable if its components are. E&M integrals are improper at 1/r and 1/r^2 when r=0. Because U is an improper integral inside V, you can't assume E = delU. To get this write U and then delU by taking del under the integral sign. This is the same as formula for E. But you have to prove this is OK because normally you can't differentiate under the integral sign if integral is improper.
E&M
U & E due to a volume distribution of piecewise continuous charge rho in the bounded volume V exist at points of V and ARE CONTINUOUS THROUGHOUT SPACE. U is everywhere differentiable and E=delU THROUGHOUT SPACE.
Where U and E are continuous, U has continuous second derivatives (E has continuous very first derivatives) and then from the divergence theorem:
del^2U = -4pirho.
del^2U is discontinuous at the boundaries because it has different values on either side.
A lighter requirement for del^2U to exist at an interior point of V is that U be piecewise continuous and satisfy a Hoelder condition (believe me, you don't want to go there).
Similar theorems apply for surface charge.
Model Problem in Electrostatics: Charged conducting sphere of radius a:
a) U=constant 0=a
b) U everywhere continuous
c) very first order derivatives everywhere continuous except at r=a where dU/dn+ - dU/dn- = -4pisigma where sigma is surface charge density.
d) rU -> E as r becomes infinite.
c) is from Gauss' theorem and pillbox. I don't get d).
Appendix
Given a vector field with components X,Y,Z and Normal region N:
Divergence Theorem. Assume X,Y,Z and very first partial derivatives are contiuous within and on the boundary of N.
Extension: X,Y,Z are continuous in the region R and on its boundary, and R can be broken up into a finite number of regions for which divergence theorem holds, and in each of which X,Y,Z have derivatives which are continuous, the boundary included. This means that as P approaches the boundary from one of the partial regions, each derivative approaches a limit, and that these limits together with the values in the interior form a continuous function. The limits, however, need not be the same as P approaches a ... Read More
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