MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Which of the following amplifier is commonly used for providing protection against leakage currents? |
| A. | Isolation amplifiers |
| B. | Instrumentational amplifiers |
| C. | Inverting amplifiers |
| D. | Differential amplifiers |
| Answer» B. Instrumentational amplifiers | |
| 2. |
The isolation includes common supply voltage sources and common grounds on each side of the isolation barrier. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
________________ is employed with resistive transducers which require an external source of excitation? |
| A. | dc bridge amplifier |
| B. | ac coupled amplifier |
| C. | carrier amplifier |
| D. | differential amplifier |
| Answer» B. ac coupled amplifier | |
| 4. |
An oscillator and a capacitance coupled amplifier are present in a carrier amplifier. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
THE_ISOLATION_INCLUDES_COMMON_SUPPLY_VOLTAGE_SOURCES_AND_COMMON_GROUNDS_ON_EACH_SIDE_OF_THE_ISOLATION_BARRIER.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following amplifier is commonly used for providing protection against leakage currents?$ |
| A. | Isolation amplifiers |
| B. | Instrumentational amplifiers |
| C. | Inverting amplifiers |
| D. | Differential amplifiers |
| Answer» B. Instrumentational amplifiers | |
| 7. |
From the options given below select the one which is not a type of isolation amplifier? |
| A. | transformer type isolation amplifiers |
| B. | resistive coupled isolation amplifiers |
| C. | optically isolated isolation amplifiers |
| D. | capactively coupled isolation amplifiers |
| Answer» C. optically isolated isolation amplifiers | |
| 8. |
________________ is employed with resistive transducers which require an external source of excitation? |
| A. | dc bridge amplifier |
| B. | ac coupled amplifier |
| C. | carrier amplifier |
| D. | differential amplifier |
| Answer» B. ac coupled amplifier | |
| 9. |
Reduction in electromagnetic coupling is achieved by _____ |
| A. | shielding |
| B. | common grounding |
| C. | multiple grounding |
| D. | wire twisting |
| Answer» D. wire twisting | |
| 10. |
An oscillator and a capacitance coupled amplifier is present in a carrier amplifier . |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
The CMRR is expressed in _____________ |
| A. | V/s |
| B. | dB/ms |
| C. | dB/s |
| D. | dB |
| Answer» E. | |
| 12. |
Which of the following feedback type is employed with DC amplifiers? |
| A. | negative |
| B. | can be any positive or negative does’t matter |
| C. | depends on the application |
| D. | positive |
| Answer» B. can be any positive or negative does‚Äö√Ñ√∂‚àö√ë‚àö¬•t matter | |
| 13. |
__________ is not the property of instrumentational amplifier. |
| A. | Extremely high input impedance |
| B. | Very low CMRR |
| C. | Low bias and offset currents |
| D. | High slew rate |
| Answer» C. Low bias and offset currents | |
| 14. |
___________ system may include lenses, mirrors, slits, diaphragm etc. |
| A. | Photo system |
| B. | Radiant system |
| C. | Cardiac system |
| D. | Optical system |
| Answer» E. | |