किसी के लिए हम बहुत कुछ थे, आज वही हमें अजनबी समझते हैं।कभी सोचा नहीं था कि तुझसे इस कदर बिछड़ जाऊंगा, सपने तो तेरे देखे थे, पर अकेले जीना… Read More
On the list of earliest Audion radio receivers, built by De Forest in 1914 The identification on the electron in 1897 by Sir Joseph John Thomson, together with the subsequent invention on the vacuum tube which could amplify and rectify compact electrical signals, inaugurated the field of electronics plus the electron age.Some components, su… Read More