The p n junction diode is a two terminal device. In the above figure left side of crystal is p type while the right side is n type. Pn Junction Diode And Its Working Principle Electrical Nanohub Org Wiki Pn Junction Lab Learning Materials Diode History Operation Modes Vi Characteristics Types As you know that a diode operates both in forward bias and reverse bias so explaining the both in detail with necessary v i characteristics curves. Principle of pn junction diode . A semiconductor diode is simply a p n junction with connecting leads or terminals on its two sides. This is the basic construction of the p n junction diode. A pn junction is the simplest form of the semiconductor diode. Pn junction theory a pn junction is formed when an n type material is fused together with a p type material creating a semiconductor diode in the previous tuto...