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A Copper wire of length 2.2m and a steel...

A Copper wire of length 2.2m and a steel wire of length 1.6m, both of diameter 3.0mm are connected end to end. When stretched by a load, the net elongation is found to be 0.70 mm. Obtain the load applied . Young's modulus of copper is `1.1 xx 10^(11)Nm^(-2)` and Young's modulus of steel is `2.0 xx 10^(11)Nm^(-2)`.

A

`1.8xx10^2N`

B

`3xx10^3N`

C

`4xx10^6N`

D

`6xx10^8N`

Text Solution

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The correct Answer is:
A
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