

MCQOPTIONS
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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 | |