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GATE EC 2017 Set 2 — Question 38

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MCQ+2 / -0.67EasyI-V & TransconductanceMOS Capacitor & MOSFETElectronic Devices

Electronic Devices → MOS Capacitor & MOSFET → I-V & Transconductance

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Question

Two nn-channel MOSFETs, T1 and T2, are identical in all respects except that the width of T2 is double that of T1. Both the transistors are biased in the saturation region of operation, but the gate overdrive voltage (VGS−VTHV_{GS} - V_{TH}) of T2 is double that of T1, where VGSV_{GS} and VTHV_{TH} are the gate-to-source voltage and threshold voltage of the transistors, respectively. If the drain current and transconductance of T1 are ID1I_{D1} and gm1g_{m1} respectively, the corresponding values of these two parameters for T2 are
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