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FET Transistor Basics

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Questions and Answers

What is the primary function of the input voltage in a FET?

To generate a high voltage

To reduce the output voltage

To amplify the output current

To control the output current (correct)

What are the two primary uses of a FET?

Generator and motor

Oscillator and amplifier

Amplifier and switch (correct)

Rectifier and transformer

What is the name of the type of FET shown in the symbol?

Bipolar junction transistor (BJT)

Junction field effect transistor (JFET) (correct)

Unipolar junction transistor (UJT)

Metal oxide semiconductor FET (MOSFET)

What is a FET classified as?

Active electronic component Signup and view all the answers

How many terminals does a FET have?

Three terminals Signup and view all the answers

What is the primary function of a FET?

To control output current Signup and view all the answers

What is the characteristic of a FET that makes it suitable for use as a switch?

Voltage-controlled output Signup and view all the answers

What is the relationship between input voltage and output current in a FET?

Output current is directly proportional to input voltage Signup and view all the answers

What is the advantage of using a FET as an amplifier?

Low current consumption Signup and view all the answers

What is the type of FET shown in the symbol?

Junction field effect transistor (JFET) Signup and view all the answers

Study Notes

FET transistor

A Field Effect Transistor (FET) is a three-terminal active electronic component.
The output current of a FET is controlled by the input voltage.
FETs can be used in two primary applications:
- As an amplifier
- As a switch

FET Classification

One type of FET is the Junction Field Effect Transistor (JFET).
The JFET has a unique symbol.

Field Effect Transistor (FET)

A three-terminal active electronic component
Output current is controlled by input voltage
Can be used as:
- An amplifier
- A switch

Classification of FET

Junction field effect transistor (JFET)

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Description

Learn about the Field Effect Transistor (FET), a three-terminal active electronic component used as an amplifier and switch. Understand its classification and symbol.