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Gauge factor for a semiconductor strain gauge is _______(a) 130 ± 10%(b) 30 ± 10%(c) 200 ± 10%(d) 10 ± 10%I have been asked this question during an interview.I want to ask this question from Characteristics of Resistance Wire Strain Gauge in chapter Transducers of Electrical Measurements

Answer»

The CORRECT choice is (a) 130 ± 10%

Explanation: The gauge factor for a typical semiconductor STRAIN gauge is about 130 ± 10% for 350 ῼ. The gauge factor is measured at the room temperature. The gauge MEASURES SMALL STRAINS from 0.1 to 500 microstrains.



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