Question:
How does a FET behave when the V-I characteristics are to the left of pinch off for an n-channel FET?
How does a FET behave when the V-I characteristics are to the left of pinch off for an n-channel FET?
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In the ohmic region (to the left of pinch-off), a FET acts as a voltage-controlled resistor, unlike in saturation where it acts as a constant current source.
Updated On: May 5, 2025
- Voltage controlled resistor
- Amplifier
- Switch
- Diode
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The Correct Option is A
Solution and Explanation
When the FET is operating to the left of the pinch-off region in the V-I characteristics, it behaves like a voltage controlled resistor. In this region, the current through the FET increases linearly with the applied voltage, and it can be modeled as a resistor whose value is controlled by the gate voltage. Therefore, the correct answer is option (1).
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