RTD stands for ________(a) resistance temperature device(b) resistance temperature detector(c) reluctance thermal device(d) resistive thermal detectorI got this question in a national level competition.Origin of the question is Transducers for Body Temperature Measurement topic in chapter Physiological Transducers of Biomedical Instrumentation

RTD stands for ________(a) resistance temperature device(b) resistance

1.	RTD stands for ________(a) resistance temperature device(b) resistance temperature detector(c) reluctance thermal device(d) resistive thermal detectorI got this question in a national level competition.Origin of the question is Transducers for Body Temperature Measurement topic in chapter Physiological Transducers of Biomedical Instrumentation
Answer» The correct answer is (B) resistance temperature detector Explanation: RTD STANDS for Resistance Temperature Device. It is a passive SENSOR and requires current excitation to produce an output voltage. RTD has very low temperature COEFFICIENT. Voltage DROP across RTD is much larger than thermocouple output voltage.

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