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The temperature of a rod of length 1 met...

The temperature of a rod of length 1 meter and area of cross-section 1`cm^(2)` is increased from `0^(@)C` to `100^(@)C`. If the rod is ot allowed to increase in length, the force required will be:
`(alpha=10^(-6)//""^(@)C and Y=10^(11)N//m^(2))`

A

`10^(3)N`

B

`10^(4)N`

C

`10^(5)`N

D

`10^(9)N`

Text Solution

Verified by Experts

The correct Answer is:
B
`F=yA propDelta theta=10^(11)xx10^(-4)xx10^(-5)xx100=10^(4)N`.
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