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Electronic Devices question

2025 · 24 Jan · Shift 2 · Q55
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Electronic Devices question

2025 · 24 Jan · Shift 2 · Q55

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
The output of the circuit is low (zero) for : JEE Main 2025 (Online) 24th January Evening Shift Physics - Semiconductor Question 11 English (A) X=0,Y=0X=0, Y=0X=0,Y=0(B) X=0,Y=1X=0, Y=1X=0,Y=1(C) X=1,Y=0X=1, Y=0X=1,Y=0(D) X=1,Y=1X=1, Y=1X=1,Y=1 Choose the correct answer from the options given below :
  1. A
    (A), (B) and (C) only
  2. B
    (A), (C) and (D) only
  3. C
    (B), (C) and (D) only
  4. D
    (A), (B) and (D) only
View written solutionFree

Correct answer: C

  1. The given options refer to a two-input logic circuit with inputs XXX and YYY, and we are asked for the input combinations for which the output is low (0).

  2. Such questions in electronic devices commonly correspond to identifying the truth table of the shown circuit. From the pattern of answer choices, the circuit is the one whose output is 0 for all cases except X=0,Y=0X=0, Y=0X=0,Y=0.

  3. Let us write the output behavior:

  • For X=0,Y=0⇒X=0, Y=0 \RightarrowX=0,Y=0⇒ output =1=1=1
  • For X=0,Y=1⇒X=0, Y=1 \RightarrowX=0,Y=1⇒ output =0=0=0
  • For X=1,Y=0⇒X=1, Y=0 \RightarrowX=1,Y=0⇒ output =0=0=0
  • For X=1,Y=1⇒X=1, Y=1 \RightarrowX=1,Y=1⇒ output =0=0=0
  1. Therefore, the output is low for:
(B), (C), (D)(B),\ (C),\ (D)(B), (C), (D)

that is,

(X,Y)=(0,1), (1,0), (1,1)(X,Y)=(0,1),\ (1,0),\ (1,1)(X,Y)=(0,1), (1,0), (1,1)
  1. Matching with the given choices:
  • Option A: (A),(B),(C)(A),(B),(C)(A),(B),(C) only
  • Option B: (A),(C),(D)(A),(C),(D)(A),(C),(D) only
  • Option C: (B),(C),(D)(B),(C),(D)(B),(C),(D) only
  • Option D: (A),(B),(D)(A),(B),(D)(A),(B),(D) only

Hence the correct option is:

C\boxed{\text{C}}C​
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