Analog electronics circuits miscellaneous

Analog electronics circuits miscellaneous

Easy Questions

Analog Electronic Circuits

Analog electronics circuits miscellaneous
  1. The circuit shown below represent:










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    From given fig. if both of the two given input are high then it will give high output. Hence the required circuit represent OR gate.


    Correct Option: B

    From given fig. if both of the two given input are high then it will give high output. Hence the required circuit represent OR gate.


  1. The circuit shown below represents:










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    From given fig. we see that if any input goes low the corresponding diode will conduct and we get low output voltage. Therefore required circuit represents AND gate.


    Correct Option: B

    From given fig. we see that if any input goes low the corresponding diode will conduct and we get low output voltage. Therefore required circuit represents AND gate.


  1. The op-amp circuit showing the figure is:










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    V0 = Vin1 +
    Rf
    R

    ∴ since Rf = 0
    so, V0 = Vin
    i.e. output follow the input voltage.
    Hence the given op-amp circuit is voltage follower


    Correct Option: A

    V0 = Vin1 +
    Rf
    R

    ∴ since Rf = 0
    so, V0 = Vin
    i.e. output follow the input voltage.
    Hence the given op-amp circuit is voltage follower


  1. A forward resistance of a diode will be:








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    NA

    Correct Option: B

    NA

  1. Feedback regulators are used to provide:








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    NA

    Correct Option: A

    NA