A wire of length .L. and cross sectional area .A. is made up of a material of young.s modulus .Y.. If the wire is stretched by .X. the work done is

A wire of length .L. and cross sectional area .A. is made up of a mate

1.	A wire of length .L. and cross sectional area .A. is made up of a material of young.s modulus .Y.. If the wire is stretched by .X. the work done is
Answer» `(YAX)/(L)` `(YAX^(2))/(2)` `YAX^(2)` `(YAX^(2))/(2L)` ANSWER :4