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RTD stands for ________(a) resistance temperature device(b) resistance temperature detector(c) reluctance thermal device(d) resistive thermal detector |
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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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