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How do Field effect transistors work?

In: Inventions, Electronics Engineering, Educators [Edit categories]

Answer:

A: Imagine a conductive bar and imagine that if a field or potential is applied it will choke or let more current pass as the field is varied

First answer by LIBURNO. Last edit by LIBURNO. Contributor trust: 141 Question popularity: 1 [recommend question].

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What is Cold Field Effect Transistor?
Reference the two definitions given below, one from IEEE and the other from US Army research document. Web links are found after each....The use of cold FET measurements solves the problemof junction...
Advantages of Field-effect Transistors?
The main advantage of the FET is its high input resistance, on the order of 100M ohms or more. Thus, it is a voltage-controlled device, and shows a high degree of isolation between input and output....
Why the name field effect transistor?
for a fet an electric field is establishd by the charge present ,that controls the conduction of the output ckt without the need for direct contact between the controlling & control quantities.
What is difference between transistor and field effect transistor?
EMITTER, COLLECTOR, AND BASE The difference between a Field Effect Transistor and a regular transistor is that the regular transistor has PNP and NPN junctions and a FET has just a Drain Source Gate...
What is the use of substrate in Field Effect Transistor?
The use of substrate in Field Effect Transistors is for it to serve as insulating material between the gate and the source.