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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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How does a FET behave when the v-I characteristics are to the left of pinch off for an n channel FET?

(a) Voltage controlled resistor

(b) Amplifier

(c) Switch

(d) Diode

I have been asked this question by my school teacher while I was bunking the class.

The query is from The Pinch off Voltage Vp topic in portion Field-Effect Transistors of Electronic Devices & Circuits

1 Answer

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Correct answer is (a) Voltage controlled resistor

Explanation: When the voltage Vgs is less than pinch off voltage, there will be no current flow, resulting in Ohmic region, on controlling the Vgs and VDs values, the FET acts as Voltage controlled resistor.

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