MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the absolute value of phase shift, if the frequency keeps increasing? |
| A. | Increase towards 45<sup>o</sup> |
| B. | Decrease towards 45<sup>o</sup> |
| C. | Increase towards 90<sup>o</sup> |
| D. | Decrease towards 90<sup>o</sup> |
| Answer» D. Decrease towards 90<sup>o</sup> | |
| 2. |
What happen when the frequency increases? |
| A. | A<sub>OL</sub>(f) continues to drop |
| B. | A increases |
| C. | f<sub>o</sub> > 0Hz |
| D. | None of the mentioned |
| Answer» B. A increases | |
| 3. |
At what frequency AOL(f)=A? |
| A. | 50Hz |
| B. | 10Hz |
| C. | 5Hz |
| D. | 0Hz |
| Answer» E. | |
| 4. |
At what frequency, the phase shift between input &output voltage will be zero? |
| A. | -40Hz |
| B. | 0Hz |
| C. | -22Hz |
| D. | 20Hz |
| Answer» C. -22Hz | |
| 5. |
Determine the difference between two AOL(f) at 50Hz and 500Hz frequency? (Consider the op-amp to be 741c) |
| A. | 40dB |
| B. | 30dB |
| C. | 20dB |
| D. | 10dB |
| Answer» D. 10dB | |
| 6. |
Find the gain magnitude and phase angle of the op-amp using the specifications:f= 50Hz; fo=5Hz ; A=140000. |
| A. | A<sub>OL</sub>(f)= 22.92dB , (f) = 89.99<sup>o</sup> |
| B. | A<sub>OL</sub>(f)= 66dB , (f) = 90<sup>o</sup> |
| C. | A<sub>OL</sub>(f)= 26dB, (f) = 89.99<sup>o</sup> |
| D. | A<sub>OL</sub>(f)= 20dB , (f) = 84.29<sup>o</sup> |
| Answer» B. A<sub>OL</sub>(f)= 66dB , (f) = 90<sup>o</sup> | |
| 7. |
Compute the break frequency of an op-amp, if the output resistance=10k and capacitor connected to the output =0.1 F. |
| A. | 159.2Hz |
| B. | 6.28Hz |
| C. | 318.4Hz |
| D. | 1000Hz |
| Answer» B. 6.28Hz | |