The primary goal to present this is to fulfill the current needs of first year students of bachelor degree in engineering (All branches) studying in Engineering College a affiliated to Rajasthan Technical University (RTU) and Various other Universities. The book consists of 8 chapters (divided into five units in addition to one unit of basic introduction) providing a full coverage of the course as prescribed by RTU for the subject of "Electrical and Electronics Engineering". A suffcient number of example worked out, crystal clear theory, question on the pattern of various universities for similar syllabus have been included in this text book. Solved example are given in almost all tpoic and subtopics which makes the entire presentation easy to understand. Short answer type question with explanation at the end of each chapter will help the students in preparing for the via-voice of practical examinations and for interviews. Great care has been taken to eliminate misprints, omissions and erros but it is too much to expect that no inaccuracu, misprinting, error have crept in and the authors would be greatful to the readers for bringing same to their notice which may come across while going through the book. The authors shall feel satisfied if the book meets the needs of the studnts for whom it is written. Suggestions and criticism for the improvement of the book shall be welcomed. The authors would like to thank all engineers, scientistm author whose works and text have been the source of inspiration. Lastly but not the least the authors are thankful to their publisher for bringing out the book in such a short period and for pricing it moderately despite heavy cost of paper and printing.