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ahrayia [7]
3 years ago
15

HURRY WILL MARK BRAINLIEST Farha makes the graphic organizer shown to review the characteristics of transistors.

Physics
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

<em>C. It is made from three layers of semiconductors.</em>

<em></em>

Explanation:

<em>Bipolar transistors (pnp and npn) are usually made from a sandwich of three semiconductors layers</em>. The main charge carriers are holes and electrons. An npn transistor has two semiconductor junctions that share a thin middle positively enhanced region (the material is enhanced with impurities rich in holes which are the positive charge carriers), and a pnp transistor has two semiconductor junctions that share a thin middle negatively enhanced region (material is enhanced with impurities rich in electrons, the negative charge carriers).

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