Engineering, 23.04.2020 02:18, Dee1738
A bathroom scale uses four internal strain gauges to measure the displacement of its diaphragm as a means for determining load. Four active gauges are used in a bridge circuit. The gauge factor is 2, and the gauge resistance is 120 Ω for each gauge. If an applied load to the diaphragm causes a tensile strain on R1 and R4 of 40 x 10-6, while gauges R2 and R3 experience a compressive strain of 40 x 10-6, estimate the bridge deflection voltage. The supply voltage is 5 V. a, b,c or d?
a.400 x 10-6 V
b.600x10-6V
c.800x10-6V
d.1000 x 10-6 V
Answers: 3
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A bathroom scale uses four internal strain gauges to measure the displacement of its diaphragm as a...
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