ISRO Electronics & Communication (ECE) 2007 - Question 4

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In the ideal Op-amp circuit shown, $V_0$ is \n\n[Figure needs to be uploaded later]

  • A. $2 V_s$
  • B. $-2 V_s$
  • C. $3 V_s$
  • D. $-3 V_s$

Answer: C. $3 V_s$

Explanation: [Figure needs to be uploaded later]\n$V_0 = (1 + \frac{R_f}{R_1})V_s = (1 + \frac{2R}{R})V_s = 3V_s$

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