Question
Which of the following components can consist of three regions of semiconductor material?
Answer Options
- A) Alternator
- B) Transistor
- C) Triode
- D) Pentagrid converter
Correct Answer: B
Explanation
A Transistor is a three-terminal semiconductor device that acts as an electronic switch or signal amplifier. It is typically constructed using three distinct, alternating layers (regions) of \text{N}-type and \text{P}-type semiconductor material (e.g., NPN or PNP).
These three regions form the three electrodes (emitter, base, collector - T6B12), allowing a small signal at the center region to control a much larger current flow through the outer two regions, thereby providing amplification (T6B10).
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