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A brass wire of length 300 cm when subje...

A brass wire of length 300 cm when subjected to a force F produces an elongation "a". Another wire of twice the diameter and of same length and material, when subjected to the force F produces an elongation b. Then the value of .a/b. is

A

`1:1`

B

`4:1`

C

`2:1`

D

`1:2`

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The correct Answer is:
2
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