Question
What type of transistor has a gate, drain, and source?
Answer Options
- A) Varistor
- B) Field-effect
- C) Tesla-effect
- D) Bipolar junction
Correct Answer: B
Explanation
The transistor type that uses the electrodes named Gate, Drain, and Source is the Field-Effect Transistor (FET). They are sometimes called MOSFETs (\text{Metal-Oxide-Semiconductor FETs}).
In an FET, the small voltage applied to the Gate terminal controls the flow of current between the Source and the Drain terminals. This voltage-control mechanism is different from the current-control mechanism used in Bipolar Junction Transistors (BJTs).
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