MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
HIGHER_VALUE_OF_COMMON_MODE_REJECTION_RATIO_CAN_BE_REACHED?$ |
| A. | By reducing the common mode voltage |
| B. | By decreasing the differential gain |
| C. | By reducing the common mode input voltage |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
When an op-amp exhibits poor common mode rejection? |
| A. | Small common mode output voltage |
| B. | Large common mode output voltage |
| C. | Negligible common mode output voltage |
| D. | None of the mentioned |
| Answer» C. Negligible common mode output voltage | |
| 3. |
Find the correct equation for common-mode rejection ratio |
| A. | CMRR = 20log(A<sub>D</sub>/ A<sub>CM</sub>) |
| B. | CMRR = 20log(V<sub>io</sub>/ V<sub>CM</sub>) |
| C. | CMRR = (A<sub>D</sub>* V<sub>CM</sub>)/ V<sub>OCM</sub> |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Define the common-mode rejection ratio (CMRR) of op-amp? |
| A. | CMRR=A<sub>D</sub>/A<sub>CM</sub> |
| B. | CMRR=A<sub>CM</sub>/ A<sub>D</sub> |
| C. | CMRR=V<sub>OCM</sub>/A<sub>CM</sub> |
| D. | CMRR=A<sub>D</sub>*A<sub>CM</sub> |
| Answer» B. CMRR=A<sub>CM</sub>/ A<sub>D</sub> | |
| 5. |
Common mode voltage gain of an op-amp is generally |
| A. | >1 |
| B. | =1 |
| C. | <1 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
When does the op-amp said to operate in common-mode configuration? |
| A. | When the input voltage are equal |
| B. | When input voltage is equal to the output voltage |
| C. | When same voltage is applied to both input terminal of an op-amp |
| D. | When different voltage is applied to both input and terminal of an op-amp |
| Answer» D. When different voltage is applied to both input and terminal of an op-amp | |