18 Questions
What determines the sensitivity of a sensor?
Change in output per unit change in input
Which sensor is classified under the 'Force' category?
Strain Gauge
A sensor that does not require an external power source for functioning is classified as:
Piezoresistive transducer
Which sensor is used for measuring temperature?
RTD (Resistance Temperature Detector)
What type of sensor generates power within itself to operate?
Piezoelectric sensor element
Which sensor type is known for converting mechanical stress into an electrical signal?
Strain Gauge
What is the function of a sensor in a measurement system?
Convert real-world parameters into an electrically measurable signal
Which of the following is NOT a desirable feature of sensors?
Limited resolution
In a sensor system, what is the role of a transducer?
Sense real-world parameters and convert them into electrical signals
Which property of sensors refers to the measure of how closely the sensor's output matches the actual value being measured?
Accuracy
What is Dead Band and Saturation in the context of sensors?
The inability of the sensor to respond to small changes in input
Which feature of a sensor determines its ability to detect small changes in input signals?
Sensitivity
What type of sensor requires an external power source for functioning?
Resistive sensor
Which type of sensors convert the physical quantity being measured into an analog form?
Analog sensors
What is the primary output form of a digital sensor?
Pulse
Which type of sensor generates electrical charge when subjected to acceleration?
Piezoelectric crystal
What makes piezoelectric crystals suitable for use in microphones and speakers?
Generating voltage when subjected to vibration
Which term describes a transducer that converts non-electrical energy into electrical energy?
Active transducer
This quiz covers the classification of sensors/transducers, sensor characteristics such as sensitivity, linearity, resolution, noise, disturbance, and power consumption.
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