answer the following based on the 3-phase transfomer configuration in figure 7, worksheet4. Voltmeter V4 is measuring - A- line voltage, B- phase voltage, C- neither "a" nor "b", D- both "a" and "b" Voltmeter V5 is measuring - A- Line voltage, B-phase voltage, C- neither "a" nor "b", D- both "a" and "b" Hysteresis loss is caused by_______. A-low voltage DC, B-poorly insulated conductors, C- molecular friction, D- none of the above

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Z parameter

The Z-parameters that are the impedance parameters of a two-port network are defined by expressing the two-port voltages V1 and V2 in terms of two-port currents I1 and I2. The Z-parameters are calculated by open circuiting one of the two ports at a time henceforth they are called open-circuit impedance parameters.