ELECTRICITY

ELECTRICITY AND MAGNETISM 3rd Edition- for free

Considered as separate phenomena until the 19th century, electricity and magnetism are now known to be components of a unified field called electro magnetism. Charged particles interact with each other by means of electric forces, and charged particles in motion likewise generate and respond to magnetic forces. Many elementary particles, such as charged electrons and protons and electrically neutral neutrons, behave like elementary magnets. On the other hand, magnetic monopoles, the magnetic analogs of electric charges, have not been discovered despite systematic searches.

About the Book

For 50 years, physics students have enjoyed learning about electricity and magnetism through the first two editions of this book. The purpose of this revision is to bring certain matters up to date and add new material in the hope that this trend will continue. The main changes from the second edition are the conversion from Gaussian units to SI units and the addition of a number of solved problems and examples.

The first of these changes is due to the fact that the majority of classes on electricity and magnetism are now taught in SI units. The second edition was temporarily out of print, and it was painful to see such an excellent book disappear due to in compatibility with the way the subject is currently taught. Of course, there are differing opinions as to which system of units is “better” for introductory courses. However, given the reality of these courses, this question is moot.

For those students who are interested in using the Gaussian system of units and for instructors who wish to expose their students to both systems of units, we have prepared several appendices that may be helpful. Appendix  A discusses the differences between the SI and Gaussian systems of units.

The second major change in this book is the addition of many solved problems and many new examples in the text. Each chapter ends with a “problem” and an “exercise.” Answers to the “problems” can be found in Chapter 12.

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