Question
What are the names of the electrodes of a bipolar junction transistor?
Answer Options
- A) Signal, bias, power
- B) Emitter, base, collector
- C) Input, output, supply
- D) Pole one, pole two, output
Correct Answer: B
Explanation
The three electrodes (terminals) of a Bipolar Junction Transistor (BJT)—one of the two main types of transistors—are the Emitter, Base, and Collector. These correspond to the three regions of semiconductor material used in its construction (T6B04).
- The Base is the control terminal; a small current applied here controls the flow of a much larger current.
- The Emitter is where the current typically enters.
- The Collector is where the controlled current exits.
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