The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is
A
$$\frac{1}{8}$$
B
$$\frac{1}{4}$$
C
$$\frac{1}{2}$$
D
$$\frac{1}{3}$$
Correct Answer: $$\frac{1}{2}$$