the pitch of a screw gauge is 1 mm and there are 100 divisions on the circular head . while measuring the diameter of a wire the main scale reads 3 mm and the 55th division is in line with the base line . find the diameter of the wire . assume that the screw gauge is free from zero error
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Circular scale reading: 52 division. Given that 1 mm on the main scale corresponds to 100 divisions of the circular scale. The diameter of wire from the above data is. 0.052 cm.
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