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 (A)
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 (A)
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 (B)
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)?
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)?
Sensitivity is defined as the change in input per change in output.
Sensitivity is defined as the change in input per change in output.
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.
Bias errors can be detected or removed by statistical means.
Bias errors can be detected or removed by statistical means.
Precision implies agreement between successive readings and closeness to the true value.
Precision implies agreement between successive readings and closeness to the true value.
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.
Operational amplifiers have zero offset voltage and zero bias current. (True/False)?
Operational amplifiers have zero offset voltage and zero bias current. (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)?
The input impedance of an inverting amplifier circuit using operational amplifiers is about the same as the value of resistor R1. (True/False)?
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)?
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)?
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)?
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)?
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)?
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)?
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)?
Instrumentation amplifiers are not commonly used in signal conditioning. (True/False)?
Instrumentation amplifiers are not commonly used in signal conditioning. (True/False)?