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11 of 12 articles

MOSFET as Switch

Cutoff and triode regions, digital switching applications.

Darshan N
Updated: 19 March 2026
10 min read

MOSFET Switch Analysis

Test your understanding of MOSFET cutoff and triode operation in digital switching circuits.

Question 1 of 3

Q1.An NMOS transistor with VTN = 2 V is used as a switch with VDD = 5 V and RD = 1 kOhm. When VGS = 0 V, what is the output voltage Vout at the drain?