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GATE ECE 2007 | Question-77

Statement for Linked Answer Questions 76 & 77:
Consider the Op-Amp circuit shown in the figure.


If $V_{i}=V_{1} \sin (\omega t)$ and $V_{o}=V_{2} \sin (\omega t+\phi)$, then the minimum and maximum values of $\phi$ (in radians) are respectively

  1. $-\pi / 2$ and $\pi / 2$
  2. $0$ and $\pi / 2$
  3. $-\pi$ and $0$
  4. $-\pi / 2$ and $0$
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