Question: 6 . A semi - circular ring of copper has an inner radius of 6 cm , radial thickness 3 cm and an axial thickness

6. A semi-circular ring of copper has an inner radius of 6 cm, radial thickness 3 cm and an axial thickness 4 cm. Find the resistance of the ring at 65 deg * C between its two end-faces. Assume specific resistance of Cu at 20 deg * C =1.724*10^6 ohm-cm and resistance tempt. Coeff. of Cu at 0\deg C =0.0043/"C (15 pts)

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