21. An opamp has a slew rate of 5V/ S. the largest sine wave o/p voltage possible at a frequency of 1MHz is A. 10 V B. 5 V C. 5 V D. 5/2 V Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
22. The closed-loop voltage gain of an inverting amplifier equal to A. The ratio of the input resistance to feedback resistance B. The open-loop voltage gain C. The feedback resistance divided by the input resistance D. The input resistance Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
23. Of the values listed, the most realistic value for open-loop voltage gain of an OP-amp is A. 1 B. 2000 C. 80 dB D. 100000 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
24. If ground is applied to the (+) terminal of an inverting OP-amp, the (–) terminal will A. Not need an input resistor B. Be virtual ground C. Have high reverse current D. Not invert the signal Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
25. A certain inverting amplifier has a closed-loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain A. doubles B. drops to 12.5 C. remains at 25 D. increases slightly Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
