Single ended amplifier
Differential amplifier
Inverting operational amplifier
Chopper amplifier
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Detailed SolutionFor biomedical applications the mostly used amplifier is
Electronics and instrumentation
2. The _________ of a recording system is the magnitude of input voltage required to produce a standard deflection in a recorded trace.
Accuracy
Linearity
Sensitivity
Resolution
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Answer is Wrong!
3. Pre amplifier isolation in ECG circuit is to
Increase input impedance
Decrease input impedance
Increase output impedance
Decrease output impedance
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Answer is Wrong!
Detailed SolutionPre amplifier isolation in ECG circuit is to
4. A voltmeter is connected in a ___________ with the circuit component across which potential difference is to be measured.
Parallel
Series
Series or parallel
None of the above
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5. A transducer that converts measurand into the form of pulse is called
Active transducer
Analog transducer
Digital transducer
Pulse transducer
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Detailed SolutionA transducer that converts measurand into the form of pulse is called
6. The amplifier gain varies with frequency. This happens mainly due to
Miller effect
Presence of external and internal capacitance
Logarithmic increase in its output
Inter stage transformer
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Answer is Wrong!
Detailed SolutionThe amplifier gain varies with frequency. This happens mainly due to
7. A chopper amplifier
Converts AC signal from low frequency to high frequency
Converts DC signal from low frequency to high frequency
Converts AC signal from low frequency to DC high frequency
Converts DC signal from low frequency to high frequency
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Answer is Wrong!
8. When a number of components are fabricated on same IC chip it is necessary to provide isolation between two different components for input interconnection is called __________.
Input amplification
Input differentiation
Common mode rejection
Input isolation
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9. Duration of rotation of pen in the PMMC system depends upon ___________.
Phase angle
Frequency
Magnitude
Direction
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Detailed SolutionDuration of rotation of pen in the PMMC system depends upon ___________.
10. Quartz and Rochelle salt belongs to ___________ of piezo-electric materials
Natural group
Synthetic group
Natural or Synthetic group
Fiber group
Answer is Right!
Answer is Wrong!
Detailed SolutionQuartz and Rochelle salt belongs to ___________ of piezo-electric materials