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There is some change in length when a 33...

There is some 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 elongation of the steel rod when heated is
`(Y = 3 xx 10^(11)N // m^(2) , alpha = 1.1 xx 10^(-5 //@)C)`

A

`20^(@)C`

B

`15^(@)C`

C

`10^(@)C`

D

`0^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
`Deltat = (F)/(YAalpha)`
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