Load cells are calibrated such that _______(a) force varies inversely with resistance(b) force varies as the square of resistance(c) force remains constant with resistance(d) force varies directly with resistanceI have been asked this question in a national level competition.This intriguing question comes from Strain Gauge Measurement Technique in chapter Transducers of Electrical Measurements

Load cells are calibrated such that _______(a) force varies inversely

1.	Load cells are calibrated such that _______(a) force varies inversely with resistance(b) force varies as the square of resistance(c) force remains constant with resistance(d) force varies directly with resistanceI have been asked this question in a national level competition.This intriguing question comes from Strain Gauge Measurement Technique in chapter Transducers of Electrical Measurements
Answer» The CORRECT option is (d) force varies directly with RESISTANCE The best I can explain: The load CELLS in a semiconductor strain gauge are calibrated in such a way that the force or weight varies directly as the resistance. The strain gauge is ARRANGED in the FORM of a bridge.

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