For what purpose is a PNP junction transistor is used? Explain in detail how it is used.
b) If you have pure Si, P, Ge, As, Ga, and Al materials which ones would you choose to create a PNP junction transistor and why?

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A PNP transistors Ans A PNP transistor is a bipolar junction transistor constructed by sandwiching an Ntype semiconductor between two Ptype semiconductors The term PNP stands for positive negative pos... View the full answer