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There is same change in length when a 33000 N tensile force is applied on a steel rod of area of cross-section `10^(-3)m^(2)` . The change of temperature reuired to produce the same elongation, if the steel rod is heated , if (The modulus of elasticitay is ` 3xx10^(11) N//m^(2)` and the coefficient of linear expansion of steel is ` 11 xx 10^(-5) //^(@)C`).

A

`20^(@)C`

B

`15^(@)C`

C

`10^(@)C`

D

`0^(@)C`

Text Solution

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The correct Answer is:
C
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