Chapter 57

Sheila's POV: "Write a short note about PN junction diode and Zenor diode and how to differentiate them by their special characters?" Professor Satz Bakshi gave us an assignment and told us to complete it within a period. Based on this score, he is going to give us internal marks. I took the pencil and pen from my bag and started to draw a PN junction diode. It was so simple. First I drew two parallel lines and connected them with a resistor and a battery and started to write my own theory of PN junction diode. After those two horrible hours of writing, I finished my assignments and walked out of the classroom, there I saw Karl was leaning on the wall, hearing songs through his headset. I stood in front of him and waved my hands. "What is my senior doing here in the first year department?" I asked him teasingly. I know he has come to see me. But I wanted the answer from him. "I came to see my junior. I wonder how her classes were?" he asked giving me a boyish smile. "Hugh! It's