The stress produced in a wire of diameter 6 mm, when it is bent around a larger cylinder of diameter 2 m can be obtained as (Young's modulus of both wire and cylinder = 200 GPa )
The stress-strain curve of the material is given below .
A
600 MPa
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B
300 MPa
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C
100 MPa
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D
200 MPa
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Solution
The correct option is A 600 MPa D = 2000 mm d = 6 mm