Podcast
Questions and Answers
Sensitivity, offset & bias, span & dynamic range, and saturation & dead zone are static characteristics of a sensor. (True/False)?
Sensitivity, offset & bias, span & dynamic range, and saturation & dead zone are static characteristics of a sensor. (True/False)?
True
Dynamic characteristics of a sensor describe its transient properties due to the presence of energy storing elements, masses, springs, inductances, and capacitances. (True/False)?
Dynamic characteristics of a sensor describe its transient properties due to the presence of energy storing elements, masses, springs, inductances, and capacitances. (True/False)?
True
Resolution is the difference between the maximum and minimum values of the sensed parameter. (True/False)?
Resolution is the difference between the maximum and minimum values of the sensed parameter. (True/False)?
False
Accuracy is the ability of a sensor to reproduce a given output repeatedly with a given precision. (True/False)?
Accuracy is the ability of a sensor to reproduce a given output repeatedly with a given precision. (True/False)?
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Response time is the frequency at which the output magnitude peak occurs. (True/False)?
Response time is the frequency at which the output magnitude peak occurs. (True/False)?
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Sensitivity is defined as the change in input per change in output.
Sensitivity is defined as the change in input per change in output.
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Accuracy is a measure of how close the output reading of the instrument is to the correct value.
Accuracy is a measure of how close the output reading of the instrument is to the correct value.
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Bias errors can be detected or removed by statistical means.
Bias errors can be detected or removed by statistical means.
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Precision implies agreement between successive readings and closeness to the true value.
Precision implies agreement between successive readings and closeness to the true value.
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Repeatability refers to the precision of a set of measurements taken over a long time interval.
Repeatability refers to the precision of a set of measurements taken over a long time interval.
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Operational amplifiers have zero offset voltage and zero bias current. (True/False)?
Operational amplifiers have zero offset voltage and zero bias current. (True/False)?
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The input impedance of an inverting amplifier circuit using operational amplifiers is about the same as the value of resistor R1. (True/False)?
The input impedance of an inverting amplifier circuit using operational amplifiers is about the same as the value of resistor R1. (True/False)?
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Operational amplifiers have infinite differential gain and zero common mode gain. (True/False)?
Operational amplifiers have infinite differential gain and zero common mode gain. (True/False)?
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The output impedance of an inverting amplifier circuit using operational amplifiers is on the order of one ohm. (True/False)?
The output impedance of an inverting amplifier circuit using operational amplifiers is on the order of one ohm. (True/False)?
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Operational amplifiers have a practical limitation where the magnitude of their output voltage cannot exceed the power supply voltage. (True/False)?
Operational amplifiers have a practical limitation where the magnitude of their output voltage cannot exceed the power supply voltage. (True/False)?
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Signal conditioning typically involves linearizing the output signal from a sensor. (True/False)?
Signal conditioning typically involves linearizing the output signal from a sensor. (True/False)?
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A low pass filter used in signal conditioning allows only high frequency signals through. (True/False)?
A low pass filter used in signal conditioning allows only high frequency signals through. (True/False)?
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Sample and hold circuits are not part of the signal conditioning process. (True/False)?
Sample and hold circuits are not part of the signal conditioning process. (True/False)?
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Signal conditioning is primarily used to convert input signals into a digital format. (True/False)?
Signal conditioning is primarily used to convert input signals into a digital format. (True/False)?
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Instrumentation amplifiers are not commonly used in signal conditioning. (True/False)?
Instrumentation amplifiers are not commonly used in signal conditioning. (True/False)?
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