Cognate with Dutch vatten (“t… These transistors can be used asswitches and amplifiers. This can involve a wide range of new technological possibilities, inspired by cutting-edge science, unconventional collaborations or new research and innovation practices. I'm just not sure if it's the same with eeryobe else as every clinic has their own policy that they follow. The basic types of FET transistors are completely different from BJT transistor basics. Source Drain current. Working of Power MOSFET and Characteristics.