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Electronic Devices question

2025 · 29 Jan · Shift 2 · Q64
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Electronic Devices question

2025 · 29 Jan · Shift 2 · Q64

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
The truth table for the circuit given below is: JEE Main 2025 (Online) 29th January Evening Shift Physics - Semiconductor Question 17 English
  1. A
    ABY
    000
    111
    101
    011
  2. B
    ABY
    000
    101
    010
    110
  3. C
    ABY
    000
    100
    110
    011
  4. D
    ABY
    000
    011
    101
    110
View written solutionFree

Correct answer: PLEASE PROVIDE THE CIRCUIT DIAGRAM; WITH THE CURRENT INFORMATION, THE TRUTH TABLE CANNOT BE DERIVED UNIQUELY.

The question asks for the truth table of the given logic circuit, but the actual circuit diagram is missing from the prompt.

The options are encoded as truth tables in the form:

A  B  YA\;B\;YABY

with the rows presumably ordered as:

00,  01,  10,  1100,\;01,\;10,\;1100,01,10,11

So each option corresponds to:

  1. Option A: ABY 000111101011

    • Interpreting in triples: 000,  111,  101,  011000,\;111,\;101,\;011000,111,101,011
    • This is not a standard 2-input truth table ordering as written unless grouped differently.
  2. Option B: ABY 000101010110

  3. Option C: ABY 000100110011

  4. Option D: ABY 000011101110

However, without the actual circuit, there is no valid way to derive the output YYY from inputs AAA and BBB.

Why the problem cannot be solved uniquely

To determine a logic truth table, we need the circuit elements, such as:

  • AND / OR / NOT gates,
  • diode logic,
  • transistor switching arrangement,
  • NAND / NOR combinations,
  • or any equivalent digital device.

Since that information is absent, any selection among A, B, C, D would be a guess rather than a derivation.

Comparison with stored correct answer

The stored correct answer is D, but because the circuit diagram is not available, I cannot independently verify it from first principles.

So I do not agree that the answer can be derived from the provided data alone.

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