Question: What is the input impedance characteristic of a FET?
Options:
Low input impedance
High input impedance
Variable input impedance
Zero input impedance
Correct Answer: High input impedance
Solution:
FETs are known for their high input impedance, which makes them suitable for use in high-impedance applications.
What is the input impedance characteristic of a FET?
Practice Questions
Q1
What is the input impedance characteristic of a FET?
Low input impedance
High input impedance
Variable input impedance
Zero input impedance
Questions & Step-by-Step Solutions
What is the input impedance characteristic of a FET?
Step 1: Understand what input impedance means. It is the resistance that an input signal sees when it enters a device.
Step 2: Learn about FETs (Field Effect Transistors). They are a type of transistor used to control electrical signals.
Step 3: Know that FETs have a very high input impedance. This means they do not draw much current from the signal source.
Step 4: Recognize that high input impedance is beneficial in applications where you want to avoid loading down the signal source.
Step 5: Conclude that because of their high input impedance, FETs are ideal for use in circuits that require high sensitivity and minimal signal distortion.
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