51.Explain the formation of the depletion region and barrier potential in a p-n junction diode. How does the flow of current through the junction change during : 1. Forward bias 2. Reverse bias Click here to view details:

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Q. In a forward biased p- n junction diode, the potential barrier in the depletion region is of the form:

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(a) Explain with the help of a diagram, how depletion region and potential barrier are formed in a junction diode.

(b) 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) reveres biased?

Q. How does a P-N Junction in reverse bias allow current to flow through it? Is Zener Diode the same as a P-N Juction in reverse bias?

Q. Consider following two statements

(A)

In forward biased condition, width of depletion region in p-n junction diode decreases.

(B)

Barrier potential of a p-n junction depends on amount of doping.

The correct statement(s) is/are

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