The book has been designed for aspirants preparing to clear the recruitment examination conducted by National Technical Research Organisation (NTRO) for the post of Technical Assistant- Electronics. Every chapter in this book contains a brief theory followed by a set of practice questions at the end to ensure revision of the concepts covered. The book also provides a mock test which will help students to practice and analyze their level of preparation. Features Synopsis of concepts and key notes in each chapter Practice questions at the end of chapter for review Mock test to strategize & analyze preparation Features Synopsis of concepts and key notes in each chapter Practice questions at the end of chapter for review Mock test to strategize & analyze preparation