I got the question from an exam and I did not get it right. Could someone please point out what I did wrong?

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  • \$\begingroup\$ When did you take the exam? \$\endgroup\$
    – Andy aka
    Nov 26, 2022 at 20:43
  • \$\begingroup\$ @Andyaka Almost a year ago \$\endgroup\$
    – AliZe198
    Nov 26, 2022 at 20:49

1 Answer 1


There are six transistors in the layout but only four in your schematic. Note the word ALL in the instructions. Two of the transistors have their gates wired so that they can never conduct, but they are transistors nonetheless.


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