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What is rectification explain the working of full wave Rectifier ? || Inter physics important questions || full wave rectifier

 

What is rectification explain the working of full wave Rectifier ?


What is rectification explain the working of full wave Rectifier



Rectification :-  The process of conversion of Alternative current ( AC ) into Direct current ( DC ) is called Rectification. The device used for these is called Rectifier.

Full Wave Rectifier :-


What is rectification explain the working of full wave Rectifier




*** In a full wave Rectifier two diodes are used.

*** The Secondary of the transformer is centre traped between diode D1 and D2.

*** During positive Half cycle load resistance biased and D2 is reverse biased so current flows through diode D1 only.

***  During negative half cycle of AC diode D2 is forward biased D1 is reverse biased. So current flows through diode D2 only.

*** These where the AC current is Rectifier. During the both Half cycle. These is observed at load resistance ( RL ).

Efficiency :- (  η ) :-

The ratio of out put power to input power is called Efficiency.




 η = Pout\pin    

0.812 RL


n = 0.812 RL /RL + rf×100


n = 81.2 RL   /RL + rf


For ideal diode rf=0


n = 81.2 RL/RL + rf

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