GATE ECE 2021 EC Q44: Electronic Devices

For the transistor

in the circuit shown in the figure,

and

, where

is the mobility of electron,

is the oxide capacitance per unit area,

is the width and

is the length. The channel length modulation coefficient is ignored. If the gate-to-source voltage

is 1 V to keep the transistor at the edge of saturation, the threshold voltage of the transistor (rounded off to one decimal place) is ______ V.

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