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A sensor is a device that converts a nonelectrical quantity, such as pressure,
temperature, or gas concentration, into an electrical signal. Since they change one form of
energy into another they can also be referred as transducers. Sensors are divided in terms of the type of energy that they convert. A sensor performs the inverse operation of an actuator . | Thermal | Explore conductivity differences among different materials | | | Electromagnetic | | | | Pressure | Certain some crystals and ceramics have the ability to generate an electric potential in response to applied mechanical stress. This phenomenon is called Piezoelectricity. | Accoustic Pressure | | Chemical | | | | Light | | | | Ions | | | Accoustic
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