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An inductive load draws power (2+j1) MVA at the receiving end bus of a radial three phase line. The receiving end bus voltage is 11kV (L-L) at 50 Hz. The system reactance is 0.5 Ī©/phase then the regulation is
100.01ā 70.01
58.68 ā 63.43
45.68 ā 50.43
25.04 ā 63.50