题目内容

The work function of the metal is ( ) than that of Si in ideal MOS capacitor.

A. smaller
B. as same as
C. larger

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When the metal voltage is small positive, the state of ideal MOS capacitor (n channel silicon) is ( ).

A. equilibrium
B. accumulation
C. depletion
D. inversion

When the metal voltage is zero, the state of ideal MOS capacitor (n channel silicon) is ( ).

A. equilibrium
B. accumulation
C. depletion
D. inversion

The work function of the n+ poly silicon is ( ) than that of Si in real n channel MOSFET.

A. smaller
B. as same as
C. larger

The depletion layer charge is ( ) the inversion region charge in the inversion state MOSFET.

A. more than
B. as same as
C. less than