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Questions and Answers
What is the primary function of the input voltage in a FET?
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?
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?
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?
What is a FET classified as?
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How many terminals does a FET have?
How many terminals does a FET have?
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What is the primary function of a FET?
What is the primary function of a FET?
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What is the characteristic of a FET that makes it suitable for use as a switch?
What is the characteristic of a FET that makes it suitable for use as a switch?
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What is the relationship between input voltage and output current in a FET?
What is the relationship between input voltage and output current in a FET?
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What is the advantage of using a FET as an amplifier?
What is the advantage of using a FET as an amplifier?
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What is the type of FET shown in the symbol?
What is the type of FET shown in the symbol?
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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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