A bipolar transistor has a total of how many doped regions
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The correct answer is - 3 doped regions.
A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electron and hole charge carriers. For their operation, BJTs use two junctions between two semiconductor types, n-type and p-type.
A BJT consists of three differently doped semiconductor regions: the emitter region, the base region and the collector region. These regions are, respectively, p-type, n-type and p-type in a PNP transistor, and n-type, p-type and n-type in an NPN transistor.
Each semiconductor region is connected to a terminal, appropriately labelled: emitter (E), base (B) and collector (C).
A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electron and hole charge carriers. For their operation, BJTs use two junctions between two semiconductor types, n-type and p-type.
A BJT consists of three differently doped semiconductor regions: the emitter region, the base region and the collector region. These regions are, respectively, p-type, n-type and p-type in a PNP transistor, and n-type, p-type and n-type in an NPN transistor.
Each semiconductor region is connected to a terminal, appropriately labelled: emitter (E), base (B) and collector (C).
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Answer:
A bipolar transistor has three similarly doped regions
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