OP Amp MCQ Questions & Answers | Electrical Engineering

A. $$\frac{5}{{2\prod }}{\text{V}}$$

B. $$5{\text{V}}$$

C. $$\frac{5}{\prod }{\text{V}}$$

D. $$10\pi {\text{V}}$$

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

A. 1

B. 2000

C. 80 dB

D. 100000

A. Not need an input resistor

B. Be virtual ground

C. Have high reverse current

D. Not invert the signal

A. doubles

B. drops to 12.5

C. remains at 25

D. increases slightly

A. 4

B. 3

C. 2

D. 1

A. ß

B. RE

C. RC

D. 2ß

A. R_i = $$\infty $$, A_V = $$\infty $$, R_O = 0

B. R_i = 0, A_V = $$\infty $$, R_O = 0

C. R_i = $$\infty $$, A_V = $$\infty $$, R_O = $$\infty $$

D. R_i = 0, A_V = $$\infty $$, R_O = $$\infty $$

A. 50 kHz

B. 100 kHz

C. $$\frac{{1000}}{{17}}{\text{ kHz}}$$

D. $$\frac{{1000}}{{7.07}}{\text{ kHz}}$$

A. 0.6A

B. 0.5A

C. 0.2A

D. $$\frac{1}{{12}}{\text{A}}$$