The pressure that has to be applied to t...

The pressure that has to be applied to the ends of a steel wire of length 10cm to keep its length constant when its temperature is raised by `100^@C` is : (For steel Young's modulus is `2xx10^11 Nm^-2` and coefficient of thermal expansion is `1.1xx10^-5K^_1`)

`2.2xx10^(8) Pa`

`2.2xx10^(9) Pa

`2.2xx10^(7) Pa

`2.2xx10^(6) Pa

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