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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceDiagram basedEasyDiagram reading

JEE Main 11 April 2023, Shift 1, Physics Q32

Question 32 of 90 in this shift, Physics question 2 of 30, Section A.

The logic performed by the circuit shown in figure is equivalent to :

The figure, in words

Logic circuit: input a feeds both inputs of a NOR gate, input b feeds both inputs of a second NOR gate; the outputs of these two gates feed a third NOR gate with output Y.
  1. (1)OR
  2. (2)NAND
  3. (3)ANDOfficial answer
  4. (4)NOR

Official answer

Option 3

NTA final key.

Chapter
Semiconductor Electronics: Materials, Devices and Simple Circuits
Topic
Logic Gates
Idea tested
Gate Realization using Universal

Same idea in other shifts

Asked 2× in all
  1. 4 Sep 2020, Shift 2 · Q19Identify the operation performed by the circuit given below :MediumDiagram basedHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.