MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Chopper input dc amplifiersare preferred for low level inputs to instrumentation systems because of their high sensitivity, negligible drift and excellent common mode rejection capability. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following amplifier is employed with resistive transducers which require an external source of excitation? |
| A. | differential amplifier |
| B. | ac coupled amplifier |
| C. | carrier amplifier |
| D. | dc bridge amplifier |
| Answer» E. | |
| 3. |
DC amplifiers are employed with _______ feedback type. |
| A. | positive |
| B. | negative |
| C. | depends on the application |
| D. | can be any positive or negative does’t matter |
| Answer» C. depends on the application | |
| 4. |
CHOPPER_INPUT_DC_AMPLIFIERSARE_PREFERRED_FOR_LOW_LEVEL_INPUTS_TO_INSTRUMENTATION_SYSTEMS_BECAUSE_OF_THEIR_HIGH_SENSITIVITY,_NEGLIGIBLE_DRIFT_AND_EXCELLENT_COMMON_MODE_REJECTION_CAPABILITY.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The_junction_at_higher_temperature_in_thermocouple_is_termed_as_measuring_junction.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
When two wires of different material are joined together at either ends, forming two junctions which are maintained at different temperature, a _________ force is generate? |
| A. | thermo-motive |
| B. | electro-motive |
| C. | chemical reactive |
| D. | mechanical |
| Answer» B. electro-motive | |
| 7. |
Chopper stabilized dc amplifiers are complex amplifiers having ________ amplifiers incorporated in the module. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 8. |
DC amplifiers are mostly used for very low level applications because they offer very less dc drift and high common mode rejection capabilities. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
______________ are used with transducers which require an external source of excitation. |
| A. | carrier amplifiers |
| B. | dc amplifiers |
| C. | ac coupled amplifiers |
| D. | differential amplifier |
| Answer» B. dc amplifiers | |
| 10. |
Which amplifier has a limited frequency response? |
| A. | differential amplifier |
| B. | dc amplifiers |
| C. | ac coupled amplifiers |
| D. | carrier amplifiers |
| Answer» C. ac coupled amplifiers | |
| 11. |
Which amplifier will reject any common mode signal that appears simultaneously at both amplifier input terminal and amplifies only the voltage difference that appears across its input terminals? |
| A. | ac coupled amplifiers |
| B. | differential amplifiers |
| C. | carrier amplifiers |
| D. | dc amplifiers |
| Answer» C. carrier amplifiers | |