FET (Field Effect Transistor)

FETis a unipolar device because its operation is depends on the flow of either free electrons or holes.This video will help you to understand the working of FET, basic construction of FET, symbol of FET, Operations of FET.


The MOSFET is a type of field-effect transistor, most commonly fabricated by the controlled oxidation of silicon. It has an insulated gate, whose voltage determines the conductivity of the device. This ability to change conductivity with the amount of applied voltage can be used for amplifying or switching electronic signals.

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