What gate voltage needs to be applied to an enhancement-type N-channel MOSFET?

What gate voltage needs to be applied to an enhancement-type N-channel MOSFET?

a) +VDD
b) -VDD
c) 0
d) None of the above

From the BCS Technical Cadre (ICT) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 78 of 106.

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