The Effective length of a column is defined as the
[ A ] length between the fixed joints
[ B ] length between the points of contra flexure
[ C ] unsupported length of the column
[ D ] Both (a) and (c)
[ A ] length between the fixed joints
[ B ] length between the points of contra flexure
[ C ] unsupported length of the column
[ D ] Both (a) and (c)