GATE ECE 2001 | Question: 1.9

Question

The ideal $\text{OP-AMP}$ has the following characteristics.

• A. $\mathrm{R}_{\mathrm{i}}=\infty, \mathrm{A}=\infty, \mathrm{R}_{0}=0$
• B. $\mathrm{R}_{\mathrm{i}}=0, \mathrm{~A}=\infty, \mathrm{R}_{0}=0$
• C. $\mathrm{R}_{\mathrm{i}}=\infty, \mathrm{A}=\infty, \mathrm{R}_{0}=\infty$
• D. $\mathrm{R}_{1}=0, \mathrm{~A}=\infty, \mathrm{R}_{0}=\infty$