The shafts will have same strength on the basis of torsional rigidity, if
(A) Diameter and length of both shafts is same
(B) Material of both shafts is same
(C) Angle of twist for both shafts is same
(D) All of above conditions are satisfied
(A) Diameter and length of both shafts is same
(B) Material of both shafts is same
(C) Angle of twist for both shafts is same
(D) All of above conditions are satisfied