An energy source will supply a constant current into the loads of its internal resistance is

Question

$\begin {array} {1 1} (A)\;equal\:  to\:  the\:  resistance\:  of\:  the\:  load \\ (B)\;very\:  large\:  as\:  compared \: to \: the\:  load \: resistance \\ (C)\;zero \\ (D)\;non-zero\:  but\:  less\:  than\:  the\:  resistance\:  of\:  the\:  load \end {array}$