The load of three impedances each (6 + j9) is supplied through a line having an impedance of (1 + j2) Ω. The supply voltage is 400 volts 50 Hz. Determine the line current.

The load of three impedances each (6 + j9) is supplied through a line

1.	The load of three impedances each (6 + j9) is supplied through a line having an impedance of (1 + j2) Ω. The supply voltage is 400 volts 50 Hz. Determine the line current.
A.	17.7 A
B.	27.7 A
C.	47.7 A
D.	37.7 A
Answer» B. 27.7 A