What will be the offset voltage?
A pressure gauge uses four strain gauges to monitor the displacement of a diaphragm. Four active gauges are used in a bridge circuit, Figure P3-11. Gauge factor is 2.5. Resistance of gauges is 100?. Because of the differential pressure on the diaphragm, gauges 
are subjected to tensile strain of (2) 
and gauges 
are subjected to comp. strain of (2)
.
Find offset.
What will be an ideal response?
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