Practical Electronics/Bipolar Transistors/NPN Transistor

An NPN Transistor is made by joining one Positive-Typed Semiconductor in between two Negative-Typed Semiconductors. A Semi Conductor device that has three legs Base, Collector, and Emitter forming a bi-junction, namely BE and BC junctions
 * [[image:NPN BJT.svg|400px|Left]]

An NPN Transistor has this symbol. The emitter leg has the arrow pointing outwards.
 * [[image:BJT symbol NPN.svg|75px]]


 * /Transistor circuit/