Electrical engineering is a branch of engineering which deals with the study of electromagnetism, electricity and electronics. It is an overarching field and includes various subfields like radio-frequency engineering, power engineering, signal processing, telecommunications, microelectronics, digital computers, control systems, instrumentation and radio-frequency engineering, etc. This book aims to provide detailed information about this vast subject. It gives thorough insights into the various subfields of this area. It is a valuable compilation of topics, ranging from the basic to the most complex theories and principles in the field of electrical engineering. Such selected concepts that redefine this field have been presented in this textbook. Different approaches, evaluations and methodologies on electrical engineering have been included in it. This textbook is meant for students who are looking for an elaborate reference text on this field.