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Friday, 9 October

NEET UG 2024 · Physics · Question 15

NEET 2024 Physics, question 15

Question 15 of the NEET 2024 paper (code T2) is a Physics question from Semiconductor Electronics: Materials, Devices and Simple Circuits. Its idea, NAND to NOT Conversion, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q15 · Physics

The output (YY) of the given logic gate is similar to the output of an/a :

The figure, described in words

Logic circuit: A into a NAND gate with both inputs tied, B into a NOR gate with both inputs tied; both outputs feed a NOR gate giving Y.

  1. 1OR gate
  2. 2AND gateOfficial answer
  3. 3NAND gate
  4. 4NOR gate

Official answer: option 2 · NTA final answer key

Same idea

The only question on NAND to NOT Conversion

No other NEET paper from 2017–2026 tested this exact idea.

NAND to NOT Conversion: every question and how it was framed

The chapter

Semiconductor Electronics: Materials, Devices and Simple Circuits in ten years of NEET

27 questions from 2017–2026, asked in 10 of 10 papers, about 2.6 a paper. Logic Gates alone had 10.

Semiconductor Electronics: Materials, Devices and Simple Circuits: questions per paper

0243’173’182’193’203’213’223’233’242’252’26