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Practice over 1000+ GATE-level questions from this topic!

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Q#1 MOSFET GATE EC 2020 MCQ +2 marks -0.66 marks

he band diagram of a -type semiconductor with a band-gap of  is shown. Using this semiconductor, a MOS capacitor having  of  of  and a metal work function of  is fabricated. There is no charge within the oxide. If the voltage across the capacitor is . the magnitude of depletion charge per unit area (in  ) is        

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