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Pressure is measured by strain gauges. One strain gauge is active and the other is dummy. These strain gauges form the opposite arms of a

Pressure is measured by strain gauges. One strain gauge is active and the other is dummy. These strain gauges form the opposite arms of a wheatstone bridge. The other two arms are formed by equal resistances of 120 12 each at 300°K. The frequency bandwidth is 100 kHz. The output of the bridge is a voltage signal. When a pressure of 7000kN/m² is applied the output voltage is 0.12mV. Find the SNR generated by the resistors,

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