According to Euler's column theory, the crippling load for a column of length ($$l$$) with one end fixed and the other end hinged, is

A. $$\frac{{{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

B. $$\frac{{{\pi ^2}{\text{E}}I}}{{4{l^2}}}$$

C. $$\frac{{2{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

D. $$\frac{{4{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

Answer: Option C