Q.

Application of a forward bias to a p-n junction

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a

increases the electric field in the depletion zone

b

increases the number of donors on the n-side

c

increases the potential difference across the depletion zone

d

widens the depletion zone

answer is A.

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Detailed Solution

When p-side of junctiondiode is connected to positive of battery and n-side to the negative,then junction diode is forward biased.

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In this condition, more number of electrons enter in n-side from battery, thereby increasing the number of donor on n-side.

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