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Explain the term depletion region and po...

Explain the term depletion region and potential barrier for a p-n junction.

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Explain the formation of depletion layer and potential barrier in p-n junction. Draw the circuit diagram of a half wave rectifier and explain its working.

Explain with the help of a diagram, how depletion region and potential barrier are formed in a junction diode. If a small voltage is applied to a p-n junction diode how will the barrier potential be affected when it is (i) forward biased and (ii) reverse biased?

(a) Define the terms deplection layer and barrier potintial for a p-n jucntion (i) an increase in the doping concentration and (ii) biasing across the junction affect the width of the depletion layer (b) Draw the cirucit diagram of a p-n diode used a s a half wave rectifier explain its working