Rectification. | Definition, Importance, Types, Full wave rectification, Half wave rectification, Importance.| Application of PN Junction diode. semi conductor diode.

Rectification:

                         The process of converting alternating current into direct current is called rectification.

Rectification is important because all of the electric appliances we use in our daily life are operational and efficient when only DC current is provided to them.

Rectifier: 

                       The device which is used for rectification is called rectification.

        i.e           PN junction diode made of Silicon

Types:

  There are two types of rectification

1. Half wave rectification.

2. Full wave rectification.

                                    lets discuss these types in detail

Half wave Rectification:

                                        It is a type of rectification, in which half of the alternation signal is converted into direct signal.

Explanation:  

                    Lets see the figure below

 

source:                            https://www.electronics-tutorials.ws/diode/diode_5.html

         In this type of process only one diode is used which is connected to a resistor and an alternating voltage source. This diode becomes forward biased when the positive terminal of the source becomes connected to the P-region of the diode and negative terminal of the source becomes connected to the negative terminal of the diode. It is to be noted that current flows due to the flow of majority charge carriers in forward bias. 

After a short interval of time, the polarity of the source changes and the positive terminal of the source becomes connected with the N type region and negative terminal of the source connected with the P-region of the diode hence no current flows in this case.

This simple process has allowed the current to flow in one direction by discarding the negative cycles of the alternating current. this is illustrated in the figure above. 

if we connect a load i.e a bulb, in series with the diode then the bulb will blink periodically when each pulse of the positive cycle passes through it to complete the circuit.

We will discuss the full wave rectification in our next blog. if you have any question regarding the half wave rectification, feel free to ask in the comment section. 

Moreover, your feedback would be highly appreciated..

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