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  • (a) In the following diagram, is the junction diode forward biased or reverse biased? <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAVMAAABCCAYAAADqtjX+AAAH2klEQVR4nO2dsY/TPBiH/S/wH8CC1AWJIQNIJ5BgAYEyMcACQ4YuDB3MAkynDswRYmBA3S9iQ8rA

(a) In the following diagram, is the junction diode forward biased or reverse biased?

(b) Draw the circuit diagram of a full wave rectifier and state how it works.

 

 

 

 
 
 
 
 

Answers (1)

(a) The diode is reverse biased

(b) Full-wave rectifiers

During the positive half cycle of AC input voltage diode D_{1} is forward biased and the diode D_{2} is reverse biased and a unidirectional variable dc output is obtained.

During negative half cycle D_{2} is forward biased and  D_{1} is reverse biased and a  unidirectional variable DC output is obtained.

(b)

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Safeer PP

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