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Electronic Devices question

2025 · 3 Apr · Shift 2 · Q62
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Electronic Devices question

2025 · 3 Apr · Shift 2 · Q62

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
The truth table corresponding to the circuit given below is: \text {The truth table corresponding to the circuit given below is: }The truth table corresponding to the circuit given below is:  JEE Main 2025 (Online) 3rd April Evening Shift Physics - Semiconductor Question 1 English
  1. A
    A BC000010101111\begin{array}{|c|c|c|} \hline \mathrm{A} & \mathrm{~B} & \mathrm{C} \\ \hline 0 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 0 & 1 \\ \hline 1 & 1 & 1 \\ \hline \end{array}A0011​ B0101​C0011​​
  2. B
     A BC001100010110\begin{array}{|c|c|c|} \hline \text { A } & \mathrm{B} & \mathrm{C} \\ \hline 0 & 0 & 1 \\ \hline 1 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 1 & 0 \\ \hline \end{array} A 0101​B0011​C1000​​
  3. C
     A BC001010100110\begin{array}{|c|c|c|} \hline \text { A } & \mathrm{B} & \mathrm{C} \\ \hline 0 & 0 & 1 \\ \hline 0 & 1 & 0 \\ \hline 1 & 0 & 0 \\ \hline 1 & 1 & 0 \\ \hline \end{array} A 0011​B0101​C1000​​
  4. D
    A BC000100010111\begin{array}{|c|c|c|} \hline \mathrm{A} & \mathrm{~B} & \mathrm{C} \\ \hline 0 & 0 & 0 \\ \hline 1 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 1 & 1 \\ \hline \end{array}A0101​ B0011​C0001​​
View written solutionFree

Correct answer: A

To identify the truth table, we first infer the logic operation represented by the given circuit.

1. Interpreting the options

Each option gives output CCC for inputs AAA and BBB.

Let us examine what logic gate each table represents.


Option A

The table is:

ABC000010101111\begin{array}{|c|c|c|} \hline A & B & C \\ \hline 0 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 0 & 1 \\ \hline 1 & 1 & 1 \\ \hline \end{array}A0011​B0101​C0011​​

From this,

  • when A=0A=0A=0, output C=0C=0C=0
  • when A=1A=1A=1, output C=1C=1C=1

So C=AC=AC=A independent of BBB. This corresponds simply to passing AAA through.


Option B

The table is:

ABC001100010110\begin{array}{|c|c|c|} \hline A & B & C \\ \hline 0 & 0 & 1 \\ \hline 1 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 1 & 0 \\ \hline \end{array}A0101​B0011​C1000​​

Here output is 111 only for (A,B)=(0,0)(A,B)=(0,0)(A,B)=(0,0). So this is a NOR gate:

C=A+B‾C=\overline{A+B}C=A+B​


Option C

The table is:

ABC001010100110\begin{array}{|c|c|c|} \hline A & B & C \\ \hline 0 & 0 & 1 \\ \hline 0 & 1 & 0 \\ \hline 1 & 0 & 0 \\ \hline 1 & 1 & 0 \\ \hline \end{array}A0011​B0101​C1000​​

This is also output 111 only for (0,0)(0,0)(0,0), i.e. again NOR. The row order differs, but logically it is the same NOR truth table.


Option D

The table is:

ABC000100010111\begin{array}{|c|c|c|} \hline A & B & C \\ \hline 0 & 0 & 0 \\ \hline 1 & 0 & 0 \\ \hline 0 & 1 & 0 \\ \hline 1 & 1 & 1 \\ \hline \end{array}A0101​B0011​C0001​​

This is output 111 only for (1,1)(1,1)(1,1), so this is an AND gate:

C=A⋅BC=A\cdot BC=A⋅B


2. Matching with the stored answer

The stored correct answer is A.

Option A corresponds to:

C=AC=AC=A

Since the circuit image is not actually visible in the provided prompt, the only available reference is the stored correct answer. Based on that, the intended answer is Option A.

3. Final answer

Therefore, the truth table corresponding to the circuit is:

Option A\boxed{\text{Option A}}Option A​
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