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Analog electronics circuits miscellaneous

Analog Electronic Circuits

  1. The value of V0 is given by:


    1. – 3 V1 +
      1
      V1
      2
    2. – 3 V2
    3. 3
      V2
      9
      V1
      24
    4. 2 V2 – 3 V1
Correct Option: D

Output voltage due to inverting input i.e. V1

Vo1 = – V1
3R
R

or Vo1 = – 3 V1
and output voltage due to non-inverting input i.e. V2
Vo2 = VA1 +
3R
R

or Vo2 =
R
V2(1 + 3) = 2 V2
R + R

so Vo = Vo1 + Vo2 = – 3 V1 + 2 V2
Hence alternative (D) is the correct choice.



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