Semiconductor strain gages typically have much higher gage factors than those of metallic strain gages primarily due to GATE Instrumentation Engineering 2014

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Semiconductor strain gages typically have much higher gage factors than those of metallic strain gages, primarily due to: GATE-Instrumentation-Engineering-2014

(A)  higher temperature sensitivity
(B)  higher Poisson‟s ratio
(C)  higher piezoresitive coefficient
(D)  higher magnetostrictive coefficient


By:tarun101

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(C)  higher piezoresitive coefficient

The piezoresistive effect is a change in the electrical resistivity of a semiconductor or metal when mechanical strain is applied. In contrast to the piezoelectric effect, the piezoresistive effect causes a change only in electrical resistance, not in electric potential.


13priya

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