what are thermistors?
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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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An electrical resistor whose resistance is greatly reduced by heating ,used for measurement and control.
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