MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
WHICH_METHOD_IS_CONSIDERED_TO_BE_A_GRAPHICAL_METHOD_IN_TESTING_THE_SYSTEM??$ |
| A. | Bode plot |
| B. | Routh-Hurwitz criteria |
| C. | Circuit testing |
| D. | None of the mentioned |
| Answer» B. Routh-Hurwitz criteria | |
| 2. |
Name the block connected in the feedback path$ |
| A. | Feedback block |
| B. | Forward block |
| C. | Output block |
| D. | Summation of feedback, forward and output block |
| Answer» B. Forward block | |
| 3. |
Measure_taken_to_increase_the_bandwidth_of_an_op-amp.$ |
| A. | Increase the frequency for the configuration |
| B. | Reduce the gain of the configuration |
| C. | Closed loop configuration is used |
| D. | Open loop configuration is used |
| Answer» D. Open loop configuration is used | |
| 4. |
Find out the system stability when a system has three RC poles pairs |
| A. | Attain stability at low frequency |
| B. | Attain stability at high frequency |
| C. | Attain instability at high frequency |
| D. | Attain instability at low frequency |
| Answer» D. Attain instability at low frequency | |
| 5. |
Mention the phase condition that leads to sustained oscillation |
| A. | ∠-Aß =0 |
| B. | All of the mentioned |
| C. | ∠-Aß = multiple of 2π |
| D. | ∠Aß = odd multiple of π |
| Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚Äö√тĆ-A‚Äö√†√∂‚àö¬∫ = multiple of 2‚âà√¨‚àö√ë | |
| 6. |
When the magnitude of (AoL )×( ß ) = 0dB, state the condition at which system become stable?$ |
| A. | Phase angle is > -180<sup>o</sup> |
| B. | Phase angle is < -180<sup>o</sup> |
| C. | Phase angle is > +180<sup>o</sup> |
| D. | Phase angle is < +180<sup>o</sup> |
| Answer» B. Phase angle is < -180<sup>o</sup> | |
| 7. |
“Transfer function” in control system refers t?# |
| A. | Feedback block |
| B. | Content of each block |
| C. | Forward block |
| D. | Input and output blocks |
| Answer» C. Forward block | |
| 8. |
How is the criterion for the system determined? |
| A. | Graphical method |
| B. | Theoretical method |
| C. | Analytical method |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Why unstable systems are considered to be impractical? |
| A. | None of the mentioned |
| B. | Output decreases with time |
| C. | Output reaches fixed value |
| D. | Output increases with time |
| Answer» E. | |
| 10. |
When does a system said to be stable? |
| A. | Output reaches a minimum value at finite time |
| B. | Output reaches a maximum value at any time |
| C. | Output reaches a fixed value at finite time |
| D. | Output reaches a fixed value at any time |
| Answer» D. Output reaches a fixed value at any time | |
| 11. |
Calculate the value of open loop frequency response curve at any point beyond break frequency in 741C op-amp? |
| A. | 1000000Hz |
| B. | 1000Hz |
| C. | 10000000Hz |
| D. | 100000Hz |
| Answer» B. 1000Hz | |
| 12. |
Open loop configuration is not preferred in op-amps because |
| A. | First break frequency is too large |
| B. | First break frequency is very small |
| C. | Second break frequency is too large |
| D. | All of the mentioned |
| Answer» C. Second break frequency is too large | |