JEE Physics

Logic Gates: JEE Questions & Solutions

23 previous-year JEE Physics questions on Logic Gates, each with a worked step-by-step solution.

Basic

Previous-year questions

  1. 01The given circuit works as:MCQEasyJEE 2026
  2. 02Find the correct combination of A, B, C and D inputs which can cause the LED to glow.MCQEasyJEE 2026
  3. 03The correct truth table for the given input data of the following logic gate is:MCQMediumJEE 2026
  4. 04For the given logic gate circuit, which of the following is the correct truth table ?MCQMediumJEE 2026
  5. 05Two p-n junction diodes D₁ and D₂ are connected as shown in the figure. A and B are input signals and C is the output. The given circuit…MCQEasyJEE 2026
  6. 06In the circuit shown, inputs A and B feed two AND gates through NOT gates, and the two AND outputs feed the unknown gate G whose output is…MCQEasyJEE 2025
  7. 07The output of the circuit is low (zero) for: (A) X = 0, Y = 0 (B) X = 0, Y = 1 (C) X = 1, Y = 0 (D) X = 1, Y = 1 Choose the correct answer…MCQEasyJEE 2025
  8. 08For the circuit shown above, the equivalent gate is:MCQMediumJEE 2025
  9. 09The truth table for the circuit given below is: Choose the correct answer from the options given below:MCQEasyJEE 2025
  10. 10In the digital circuit shown in the figure, for the given inputs the P and Q values are:MCQEasyJEE 2025
  11. 11Choose the correct logic circuit for the given truth table having inputs A and B. | Inputs A | Inputs B | Output Y | |:---: |:---: |:---: |…MCQEasyJEE 2025
  12. 12The truth table corresponding to the circuit given below isMCQEasyJEE 2025
  13. 13The Boolean expression Y=A B C+AC can be realised with which of the following gate configurations. A. One 3-input AND gate, 3 NOT gates and…MCQMediumJEE 2025
  14. 14Consider the following logic circuit. The output is Y = 0 when:MCQEasyJEE 2025
  15. 15The truth table for the given circuit is: The figure shows: input A enters at the top left and immediately branches at a node. One branch…MCQEasyJEE 2024
  16. 16Identify the logic operation performed by the circuit described below. The figure shows: input A passes through a NOT gate and input B…MCQEasyJEE 2024
  17. 17The logic gate equivalent to the given circuit diagram is:MCQEasyJEE 2023
  18. 18For the given logic gates combination, the correct truth table will be:MCQEasyJEE 2023
  19. 19The output waveform of the given logical circuit for the following inputs A and B is shown below:MCQEasyJEE 2023
  20. 20The output Y for the inputs A and B of the circuit is given by:MCQEasyJEE 2023
  21. 21Identify the logic gate that is equivalent to the given circuit diagram.MCQEasyJEE 2023
  22. 22The logic operations performed by the given digital circuit is equivalent to:MCQEasyJEE 2023
  23. 23The output from a NAND gate having inputs A and B given below will be,MCQEasyJEE 2023

Frequently asked questions

Our bank has 23 previous-year JEE Physics questions tagged to Logic Gates, drawn from JEE papers between 2023 and 2026, including 5 from 2026 alone. Each comes with a full step-by-step solution.

Logic Gates is rated Basic overall for JEE Physics. The PYQs on this page break down as 19 easy, 4 medium.

All 23 previous-year Logic Gates questions in our bank are multiple-choice (MCQ) questions.

Based on recent paper analysis, Logic Gates is worth about 2 marks in JEE Main. It sits in Electronic Devices, a Class 12 Physics chapter.

More Electronic Devices topics

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