A 60 -V Storage Battery Supplies Energy to a Simple Circuit

A 6.0 -V storage battery supplies energy to a simple circuit at the constant rate of 48 W. The resistance of the circuit is

A) 8.0 Ω.
B) 2.8 Ω.
C) 1.5 Ω.
D) 1.3 Ω.
E) 0.75 Ω.