The following four wires are made of the same material. If same tension is applied to each, the wire having largest extension is
A
length 
, diameter 
.
, diameter . B
length 
, diameter 
.
, diameter . C
length 
, diameter 
.
, diameter . D
length 
, diameter 
.
, diameter .
Text Solution
Verified by ExpertsThe correct answer is:
A
Given,
Young's modules, 
For length, 
,
Diameter 
For 
For 
For 
In option we get highest value of 
.
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