Learn Electronics : Chapter 2 : Diode. தமிழில்

Diode:
A diode is a semiconductor device that essentially acts as a one-way switch for current. It allows current to flow easily in one direction, but severely restricts current from flowing in the opposite direction..
Forward Bias:
Forward bias meaning is that the current flows in the forward direction due to the voltage applied in the forward direction. In forward bias, the p-type(anode) of the semiconductor is connected to the positive end, and the n-type(cathode) is connected to the negative end of the battery.
Reverse Bias:
Reverse bias refers to the application of an external voltage across a semiconductor diode so that the positive terminal of the battery is linked to the n-side and the negative terminal is attached to the p-side of the diode.
Rectifier:
A rectifier is an electrical component that converts alternating current (AC) to direct current (DC)..
Bridge Rectifier:
The bridge rectifier is a type of full-wave rectifier that uses four or more diodes in a bridge circuit configuration to convert alternating (AC) current to a direct (DC) current.

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