MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
The impedance of the input should be ________ in order to obtain high CMRR in the differential amplifier. |
| A. | low |
| B. | High |
| C. | Does not matter |
| D. | Very low |
| Answer» C. Does not matter | |
| 2. |
In order to be able to minimize the effects of changes occurring in the electrode impedances, it is necessary to employ a preamplifier having a high input impedance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The output of differential gain is given by _________ |
| A. | (difference of the two input voltage)*(feedback resistance/input resistance) |
| B. | (sum of the two input voltage)*(feedback resistance/input resistance) |
| C. | (difference of the two input voltage)*(input resistance/feedback resistance) |
| D. | (sum of the two input voltage)*(input resistance/feedback resistance) |
| Answer» B. (sum of the two input voltage)*(feedback resistance/input resistance) | |
| 4. |
The common mode rejection for most op-amps is typically between __________ |
| A. | 10-50dB |
| B. | 20-40dB |
| C. | 60-90dB |
| D. | 100-120dB |
| Answer» D. 100-120dB | |
| 5. |
Bio potential amplifiers have ____________ input terminals. |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» B. 4 | |