Sensor Types and Characteristics

Choose the correct definition of a sensor:

• A device that converts electrical signals to mechanical vibrations.

• A device that detects physical quantities and converts them into readable signals.

• A device that transmits data wirelessly.

• A device that stores energy.

Identify the device that converts one form of energy into another:

• Sensor

• Transducer

• Resistor

• Capacitor

Choose the type of sensor that does not require external power:

• Active sensor

• Passive sensor

• Analog sensor

• Digital sensor

Identify the correct classification for a pressure sensor:

• Magnetic sensor

• Acoustic sensor

• Chemical sensor

• Mechanical sensor

Select the smallest change a sensor can differentiate:

• Range

• Sensitivity

• Resolution

• Accuracy

Choose the correct definition of sensitivity:

• Difference between measured value and true value

• Ratio of change in output to a unit change of input

• Time required for a sensor to respond

• Smallest change the sensor can differentiate

Label the sensor characteristic that refers to its ability to reproduce the same measurement under the same conditions:

• Sensitivity

• Accuracy

• Precision

• Repeatability

Identify the error caused by random variations in sensor output:

• Bias error

• Precision error

• Systematic error

• Random error

Choose the sensor property that defines the minimum and maximum measurable values:

• Resolution

• Range

• Accuracy

• Sensitivity

Identify the term that refers to adjusting a sensor to align with known reference values:

• Calibration

• Sensitivity

• Resolution

• Accuracy