Question: The Wheatstone bridge, like that shown in Figure, is used for various measurements. For example, a strain gage sensor utilizes the fact that the resistance

The Wheatstone bridge, like that shown in Figure, is used for various measurements. For example, a strain gage sensor utilizes the fact that the resistance of wire changes when deformed. If the sensor is one resistance leg of the bridge, then the deformation can be determined from the voltage v1. Determine the relation between the voltage v1 and the supply voltage vs.

R2 Ri Ra

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