the complex power associated with each phase of a balanced load is the line voltage at the terminals of the load is 2450 v. a) what is the magnitude of the line current feeding the load? b) the load is delta connected, and the impedance of each phase consists of a resistance in parallel with a reactance. calculate r and x. c) the load is wye connected, and the impedance of each phase consists of a resistance in series with a reactance. calculate r and x