For the circuit shown in the figure

Options

A. the potential different across `R_(L)` is 18 V
B. The current I through the battery is 7.5 mA
C. Ratio of power dissipated in `R_(1)` and `r_(2)` is 3
D. If `R_(1)` and `R_(2)` are interchanged maguitude of power dissipated in `r_(L)` will decrease by a factor of 9