Physics · Semiconductors

Which of the following options is INCORRECT for an N-channel enhancement MOSFET?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1A conducting channel is formed when a positive VGS is applied
2If the doping of the p-type substrate decreases, the threshold voltage decreases
3There is no pre-existing channel
4If the gate oxide layer thickness increases significantly, the gate capacitance increases✓

Correct answer

If the gate oxide layer thickness increases significantly, the gate capacitance increases

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