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 ...