Physics · Semiconductor Devices
In an n-channel MOSFET, the charge induced in the inversion layer per unit area at a distance y from the source is given by which of the following expressions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Q n (y) = [V G + ψ s (y)] C i - Q B (y)
- 2Q n (y) = -[V G - ψ s (y)] C i - Q B (y)✓
- 3Q n (y) = -[V G - ψ s (y)] C i + Q B (y)
- 4Q n (y) = -[V G + ψ s (y)] C i + Q B (y)
Correct answer
Q n (y) = -[V G - ψ s (y)] C i - Q B (y)
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