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In the experiment, the curve between Del...

In the experiment, the curve between `DeltaX` and `DeltaW` is shown as dotted line `(l)`. If we use an another wire of same material, but with double length and double radius. Which of the curve is expected.

A

`1`

B

`2`

C

`3`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
C
initially slope `=(DeltaX)/(DeltaW)=(l_(0))/((pir_(0)^(2))(y_(0)))`
In second case:
`(slope)^(1)=((2l_(0)))/(pi(2r_(0))^(2)y_(0))=(1)/(2)(l_(0))/((pir_(0)^(2))y_(0))`
so slope will be valued, Ans. Will be (`C`)
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