question_answer

A cell of \[e.m.f.\] \[1.5\,V\] having a finite internal resistance is connected to a load resistance of \[2\,\Omega \]. For maximum power transfer the internal resistance of the cell should be [BIT 1988]

A)                    4 ohm                              

B)            0.5 ohm

C)                    2 ohm                              

D)            None of these