Two 1-phase AC motors A and B operate from a 1000 V supply. A consumes 2 kW at a power factor of 0.8 (lagging) and B comsumes 1 kW at a power factor of 0.5 (lagging). The total current drawn from the supply is approximately

A

4.5 A

B

2.1 A

C

4.41 A

D

9 A