Copper of fixed volume 'V' is drawn into wire of length 'l'. When this wires is subjected to a constant force 'F', the extenstion produced in the wire is ' Delta l'which of the following graphs is a straight line?

Copper of fixed volume 'V' is drawn into wire of length 'l'. When this

1.	Copper of fixed volume 'V' is drawn into wire of length 'l'. When this wires is subjected to a constant force 'F', the extenstion produced in the wire is ' Delta l'which of the following graphs is a straight line?
Answer» `DELTA L` VERSUS `l^2` `Delta l` versus`1//l^2` `Delta l` versus l `Delta l` versus `1//l` ANSWER :A