Four identical resistive strain gauges with gauge factor of 2.0 are used in a Wheatstone bridge as shown in the figure below. Only one of the strain gauges RSENSE changes its resistance due to strain. If the output voltage VOUT is measured to be 1 mV, the magnitude of strain, in units of microstrain, is

Four identical resistive strain gauges with gauge factor of 2.0 are us

1.	Four identical resistive strain gauges with gauge factor of 2.0 are used in a Wheatstone bridge as shown in the figure below. Only one of the strain gauges RSENSE changes its resistance due to strain. If the output voltage VOUT is measured to be 1 mV, the magnitude of strain, in units of microstrain, is
A.	1
B.	10
C.	100
D.	1000
Answer» E.

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