Question

what are thermistors?

Answer 1

A thermistor is a heat sensitive resistor usually prepared from oxides of various

metals such as nickel, copper, cobalt, iron etc. These compounds are also semi-conductor. For thermistors alpha is very high which may be positive or negative. The resistance of thermistors changes very rapidly with

change of temperature.

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Answer 2

it's an electrical resistor whose resistance is greatly reduced by heating it is used for measurement