Final answer:
The correct answer is contact A contact tachometer is a device that measures temperature at a single point by physically touching the object being measured. It uses a thermistor to measure the resistance and obtain the temperature.
Step-by-step explanation:
The correct answer is contact tachometer. A contact tachometer is a device that measures temperature at a single point by physically touching the object being measured. It uses a thermistor, which is a semiconductor device with a strong temperature dependence, to measure the resistance and obtain the temperature. Examples of contact tachometers include the familiar thermometers that are based on the measurement of a thermistor's temperature-dependent resistance.
A contact tachometer is a device that measures temperature at a single point by physically touching the object being measured. It uses a thermistor, which is a semiconductor device with a strong temperature dependence, to measure the resistance and obtain the temperature. Examples of contact tachometers include the familiar thermometers that are based on the measurement of a thermistor's temperature-dependent resistance.