Question: Topics: CLO2 Q2. Given an inductive displacement sensor in Figure Q2. (a) By sketching a central flux path and all related variables on the

Topics: CLO2 Q2. Given an inductive displacement sensor in Figure Q2. (a) By sketching a central flux path and all related variables on the body of the sensor, estimate the inductance of the sensor for: (i) zero air gap (ii) 2 mm air gap Assume the relative permeability of core and armature is 104 and that of air is unity. 200 turns 1.0 cm 2.0 cm 3.0 cm 60 cm 1.5 cm (25 marks) 3.0 cm 0.2 cm Figure Q2 (b) Explain the operational of the sensor by considering the process from the input variable to the sensor (the variable to be measured) until the output results from the sensor. (15 marks) (c) Give your opinion on the estimated results in Q1(a) by considering the main function of the sensor as a displacement sensor. (10 marks)

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