Sensor Classification and Characteristics
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Questions and Answers

What determines the sensitivity of a sensor?

  • Change in output per unit change in input (correct)
  • Noise and Disturbance
  • Resolution
  • Linearity
  • Which sensor is classified under the 'Force' category?

  • LVDT
  • Strain Gauge (correct)
  • Thermostat
  • Thermocouple
  • A sensor that does not require an external power source for functioning is classified as:

  • Capacitive transducer
  • Charge-mode sensor
  • Piezoelectric sensor element
  • Piezoresistive transducer (correct)
  • Which sensor is used for measuring temperature?

    <p>RTD (Resistance Temperature Detector)</p> Signup and view all the answers

    What type of sensor generates power within itself to operate?

    <p>Piezoelectric sensor element</p> Signup and view all the answers

    Which sensor type is known for converting mechanical stress into an electrical signal?

    <p>Strain Gauge</p> Signup and view all the answers

    What is the function of a sensor in a measurement system?

    <p>Convert real-world parameters into an electrically measurable signal</p> Signup and view all the answers

    Which of the following is NOT a desirable feature of sensors?

    <p>Limited resolution</p> Signup and view all the answers

    In a sensor system, what is the role of a transducer?

    <p>Sense real-world parameters and convert them into electrical signals</p> Signup and view all the answers

    Which property of sensors refers to the measure of how closely the sensor's output matches the actual value being measured?

    <p>Accuracy</p> Signup and view all the answers

    What is Dead Band and Saturation in the context of sensors?

    <p>The inability of the sensor to respond to small changes in input</p> Signup and view all the answers

    Which feature of a sensor determines its ability to detect small changes in input signals?

    <p>Sensitivity</p> Signup and view all the answers

    What type of sensor requires an external power source for functioning?

    <p>Resistive sensor</p> Signup and view all the answers

    Which type of sensors convert the physical quantity being measured into an analog form?

    <p>Analog sensors</p> Signup and view all the answers

    What is the primary output form of a digital sensor?

    <p>Pulse</p> Signup and view all the answers

    Which type of sensor generates electrical charge when subjected to acceleration?

    <p>Piezoelectric crystal</p> Signup and view all the answers

    What makes piezoelectric crystals suitable for use in microphones and speakers?

    <p>Generating voltage when subjected to vibration</p> Signup and view all the answers

    Which term describes a transducer that converts non-electrical energy into electrical energy?

    <p>Active transducer</p> Signup and view all the answers

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