Question

The breaking stress of a wire of length I and radius r is 5kg wt m 2 A wire of length 21 and radius 2r of the same
material will have breaking stress (in kg wt m-2) equal to
(A) 5
(B) 10
(C) 20
(D) 80​

Answer 1

Answer:

b) 10 is the answer of question