Heat and Thermal ExpansionHard
Question
Copper of fixed volume V is drawn into wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is ᐃI. Which of the following graphs is a straight line?
Options
A.ᐃI versus 
B.ᐃI versus l2
C.ᐃI versus 
D.ᐃI versus l
⇒ ᐃl = 
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