The two-wattmeter method is used to measure the total power in a balanced circuit powered by a 415 V, 50 Hz, three-phase, balanced power supply. If one wattmeter reads 4.5 kW and the other reads zero, the total power calculated will be _________.
1
4.5 kW
2
0 W
3
-4.5 kW
4
9 kW