A wire of length 60 cm is bent into a circle with a gap of 1 cm at its ends. On heating it by 100^(@)C, the length of the gap increases to 1.02 cm. alpha of material of wire is

A wire of length 60 cm is bent into a circle with a gap of 1 cm at its

1.	A wire of length 60 cm is bent into a circle with a gap of 1 cm at its ends. On heating it by 100^(@)C, the length of the gap increases to 1.02 cm. alpha of material of wire is
Answer» `2 xx 10^(4)//^(@)C ` `4 xx 10^(-4) //^(@) C ` `6 xx 10^(-4) //^(@)C ` `1 xx 10^(-4) //^(@)C ` ANSWER :A