For an ac three-phase four wire system, having a voltage of 415V, with – McqOptions

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1.	For an ac three-phase four wire system, having a voltage of 415V, with load of 120 kW and resistance of 0.05 at power factor of 0.75. The incurred copper losses of the system is ____
A.	4.955 kW
B.	47 kW
C.	49 kW
D.	7.9 kW
Answer» B. 47 kW

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For an ac three-phase four wire system, having a voltage of 415V, with load of 120 kW and resistance of 0.05 at power factor of 0.75. The incurred copper losses of the system is ____