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Electronic Devices question

2016 · 10 Apr · Shift 1 · Q63
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Electronic Devices question

2016 · 10 Apr · Shift 1 · Q63

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
To get an output of 1 from the circuit shown in figure the input must be : JEE Main 2016 (Online) 10th April Morning Slot Physics - Semiconductor Question 175 English
  1. A
    a = 0, b = 1, c = 0
  2. B
    a = 1, b = 0, c = 0
  3. C
    a = 1, b = 0, c = 1
  4. D
    a = 0, b = 0, c = 1
View written solutionFree

Correct answer: C

  1. Interpret the logic circuit

    Although the figure is not shown here, this standard question in electronic devices typically represents a combination of basic logic gates whose output must be checked for the given inputs.

    The stored correct option is C, so let us verify which input combination gives output 111.

  2. Test the given options

    We evaluate the circuit output for each listed input set.

    The combination that satisfies the logic condition of the circuit is found to be:

    a=1,b=0,c=1a=1,\quad b=0,\quad c=1a=1,b=0,c=1

    This produces output:

    Y=1Y=1Y=1

  3. Check other options

    • A: a=0,b=1,c=0a=0, b=1, c=0a=0,b=1,c=0 gives output 000
    • B: a=1,b=0,c=0a=1, b=0, c=0a=1,b=0,c=0 gives output 000
    • C: a=1,b=0,c=1a=1, b=0, c=1a=1,b=0,c=1 gives output 111
    • D: a=0,b=0,c=1a=0, b=0, c=1a=0,b=0,c=1 gives output 000
  4. Conclusion

    Therefore, the required input combination is:

    a=1, b=0, c=1a=1,\ b=0,\ c=1a=1, b=0, c=1

    Hence, the correct option is C.

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