Question

How do diodes work?

Answer 1

One of the most commonly used electronic components is the diode, which can conduct electricity in one direction when it is biased forward and block it in the other direction when biased backward.

Basic Diode Structure:

1. A semiconductor diode is a two-terminal device with a P region on one half and an N region on the other.
2. The PN junction and the reduction region lie between the P and N regions.
3. Each of the two regions – the P region known as the anode and the N region known as the cathode – is connected to a conducting terminal.
   
4. A light emitting diode is the $PN$ junction diode, when current travels across it, it emits light. The $P$-type semiconductor's holes and electrons combine to release energy as light when electricity passes through it. It can occasionally function as both a rectifier and a power light.
5. When the battery is connected to the PN-junction, the PN-junction is referred to as functioning when the positive terminal of the battery is connected to the P-side and its negative terminal is connected to the N-side.