Assertion (a) : Ductile metals are used to prepare thin wires. Reason (R) : In the stress - strain curve of ductile metals, the length between the points representing elastic limit and breaking point is very small.

Question

(a) Both (A) and (R) are true and (R) is the correct explanation of (A).

(b) Both (A) and (R) are true but (R) is not the correct explanation of (A).

(c) (A) is true but (R) is false.

(d) (A) is false but (R) is  true.