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An Indian rubber cord L metre long and a...

An Indian rubber cord L metre long and area of cross-section A `"metre"^(2)` is suspended vertically. Density of rubber is D `"kg/metre"^(2)`. If the wire extends by `l` metre under its own weight, then extension `l` is

A

`L^(2)Dg//E`

B

`L^(2)Dg//2E`

C

`L^(2)Dg//4E`

D

`L`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

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