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An aluminium rod has a breaking strain 0...

An aluminium rod has a breaking strain `0.2%`. The minimum cross-sectional area of the rod in `m^(2)` in order to support a load of `10^(4)N` is fi (Young's modulus is `7xx10^(9) Nm^(-2)`)

A

`1xx10^(-2) m^(2)`

B

`1.4 xx 10^(-3) m^(2)`

C

`3.5 xx 10^(-3) m^(2)`

D

`7.1 xx 10^(-4) m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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