Introduction to Electric Circuits by Ray Powell
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Introduction to Electric Circuits by Ray Powell

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Introduction to Electric Circuits Contents

  • Chapter 1 Units and dimensions 
  • Chapter 2 Electric circuit elements 
  • Chapter 3 DC circuit analysis
  • Chapter 4 Single-phase a.c. circuits
  • Chapter 5 Three-phase a.c. circuits 
  • Chapter 5 Three-phase a.c. circuits
  • Chapter 6 Resonance
  • Chapter 7 Nodal and mesh analysis 
  • Chapter 8 Transient analysis
  • Chapter 9 Two-port networks
  • Chapter 10 Duals and Analogues 

Preface to Introduction to Electric Circuits

In recent years there have been many changes in the structure of undergraduate courses in engineering and the process is continuing. With the advent of modularization, semesterization and the move towards student-centred learning as class contact time is reduced, students and teachers alike are having to adjust to new methods of learning and teaching.

Essential Electronics is a series of textbooks intended for use by students on degree and diploma level courses in electrical and electronic engineering and related courses such as manufacturing, mechanical, civil and general engineering.

Each text is complete in itself and is complementary to other books in the series. A feature of these books is the acknowledgement of the new culture outlined above and of the fact that students entering higher education are now, through no fault of their own, less well equipped in mathematics and physics than students of ten or even five years ago.

With numerous worked examples throughout, and further problems with answers at the end of each chapter, the texts are ideal for directed and independent learning.

The early books in the series cover topics normally found in the first and second year curricula and assume virtually no previous knowledge, with mathematics being kept to a minimum. Later ones are intended for study at final year level.

The authors are all highly qualified chartered engineers with wide experience in higher education and in industry.

This book covers the material normally found in first and second year syllabuses on the topic of electric circuits.

It is intended for use by degree and diploma students in electrical and electronic engineering and in the associated areas of integrated, manufacturing and mechanical engineering. The two most important areas of study for all electrical and electronic engineering students are those of circuit theory and electromagnetic field theory.

These lay the foundation for the understanding of the rest of the subjects which make up a coherent course and they are intimately related. Texts on one of them invariably and inevitably have references to the other.

In Chapter 2 of this book the ingredients of electric circuits are introduced and the circuit elements having properties called capacitance and inductance are associated with electric and magnetic fields respectively.

Faraday's law is important in the concept of mutual inductance and its effects. Reference is made, therefore, to electromagnetic field theory on a need to know basis, some formulae being presented without proof.

The level of mathematics required here has been kept to a realistic minimum. Some facility with algebra (transposition of formulae) and knowledge of basic trigonometry and elementary differentiation and integration is assumed.

I have included well over a hundred worked examples within the text and a similar number of problems with answers. At the end of each chapter there is a series of self-assessment test questions.

I am most grateful to a number of anonymous reviewers for their constructive criticism and suggestions. I am also indebted to the many authors whose books I have consulted over the years.

My thanks are due to Eur Ing Professor Peter Holmes for encouraging me to write this book, to Allan Waters for permission to use some of his problems, to the many students with whom I have had the pleasure of working and whose questions have helped form this book and not least to my wife Janice for her patience in the face of deadline-induced irritability.

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