Question

Thermistor with negative temperature co-efficient is placed in a furnace. When emperature of furnace increases the resistance?​

Answer 1

Answer:

There are two types of thermistors: Negative Temperature Coefficient (NTC) and Positive Temperature Coefficient (PTC). With an NTC thermistor, when the temperature increases, resistance decreases. Conversely, when temperature decreases, resistance increases.

Answer 2

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• When temperature increases, the resistance increases, and when temperature decreases, resistance decreases. This type of thermistor is generally used as a fuse. Typically, a thermistor achieves high precision within a limited temperature range of about 50ºC around the target temperature.