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  1. Consider the Schmitt trigger circuit shown below. A triangular wave which goes from - 12 V to 12 V is applied to the inverting input of the op-amp. Assume that the output of the op-amp moves from +15 V to -15 V. The voltage at the non-inverting switches between

    2. A.
    -12 V and +12 V
    B.
    -7.5 V and +7.5 V
    C.
    -5 V and +5 V
    D.
    0 V and 5 V

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    Answer : Option B

    Explanation :

    V0 is switching between + 15 to - 150

    Thus voltage at non-inverting input switches between

    , 7.5 to - 7.5 .

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