The book on Basic Electronics by Aradhya has been developed to inculcate in the young reader the fundamentals of the subject of Electronics. Our everyday world is full of electronics – in TVs, Micro-ovens etc. Advances in technology have made systems smaller and increased the speed of operation. But the fundamental principle has remained the same, which the book aims to deliver in order to prepare the engineers of tomorrow to contribute to this rapidly growing field of electronic applications.