· This is a comprehensive textbook designed to cover almost all the topics of electromagnetic field theory transmission lines and waveguides. · The theoretical basics are analyzed and physical interpretations are presented in an appropriate and lucid manner · All the concepts are well explained with the help of illustrations diagrams and appropriate examples that follow the topic. This helps the student to easily understand difficult topics · Key equations and formulae have been highlighted · In addition each chapter includes summary multiple-choice questions and review questions that greatly assist in revision of the chapter