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Difficulty: EasyTransistors

Which of the following correctly identifies the three terminal leads of a standard bipolar junction transistor (BJT)?

  1. A
    Source, gate, and drain
  2. B
    Anode, cathode, and gate
  3. Emitter, base, and collectorAnswer
  4. D
    Positive, negative, and ground

Answer

Emitter, base, and collector
A standard bipolar junction transistor (BJT) is a three-terminal semiconductor device consisting of the emitter (which emits charge carriers), the base (the thin middle region that controls current), and the collector (which gathers the charge carriers).

Step-by-Step Solution

1
Identify the component family and type specified in the question.
The component is a bipolar junction transistor (BJT).
Different transistor families utilize different lead naming conventions.
2
Recall the fundamental three-layer structure of a BJT.
A BJT is formed by two p-n junctions creating three regions: emitter, base, and collector.
The base controls current flow between the emitter and the collector.

Key Concept

Bipolar Junction Transistor (BJT) Terminals
Estimated Time:45s
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Topics

Transistors

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