The Emf and the Internal Resistance of a Battery Are

Multiple Choice

The emf and the internal resistance of a battery are as shown in the figure. If a current of 8.3 A is drawn from the battery when a resistor R is connected across the terminals ab of the battery, what is the power dissipated by the resistor R?

A) 440 W
B) 700 W
C) 620 W
D) 530 W
E) 790 W