Thermister is used to measure ____________(a) temperature(b) pressure(c) height(d) displacementThis question was addressed to me in an interview.I'm obligated to ask this question of Photoelectric Transducers topic in portion Physiological Transducers of Biomedical Instrumentation

Thermister is used to measure ____________(a) temperature(b) pressure(

1.	Thermister is used to measure ____________(a) temperature(b) pressure(c) height(d) displacementThis question was addressed to me in an interview.I'm obligated to ask this question of Photoelectric Transducers topic in portion Physiological Transducers of Biomedical Instrumentation
Answer» The correct answer is (a) temperature The best I can EXPLAIN: Thermistor is used to measure temperature. It is a temperature TRANSDUCER. With a change in temperature its resistance changes. Thus its working principle is VARIABLE resistance. Thermistors are the oxides of certain metals like MANGANESE, cobalt and nickel which have large NEGATIVE temperature coefficient, i.e. resistance decreases with increase in temperature.

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