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MCQ Practice Question

Electronic Devices & Circuits FET & MOSFET

For an ideal square-law NMOS in saturation with ID=2 mA and overdrive voltage VOV=0.2 V, gm=2ID/VOV is approximately?

A2 mS
B10 mS
C20 mS
D200 mS

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Correct Answer: C. 20 mS

Explanation: gm=2×2 mA/0.2 V=20 mS.

Reference: Standard electronics: MOSFET transconductance calculation

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