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Q1. (12 Marks) A load cell is installed as part of a crane-safe load monitoring system. Four active atrain gauges are included in the load cell, cach with a nominal resistance of 120 and a gauge factor of 2 . The load cell consiss of a rectangular column of a cross-section sectional area of 2.25cm2. The column has Young's modulus of 21011N/m2 and Poisson's ratio of 0.26. a) Explain how the gauges should be arranged on the load cell ( 2 marks) b) Calculate the changes in gauge resistance valuen if a 12kN load is lifted by the crane. marks) c) Show how the four atrain gauges should be arranged within the bridge circuit (2 marks) d) What would be the bridge output voliage if the 12kN load is lifted by the crane? Assume the bridge supply of 24 volts. (4 marks)