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Page 341

| Figure 17-9 Curves of voltage, current, and power for single-phase circuit: (A) Current in phase with voltage, (B) current lagging voltage by 30 deg, and (C) current leading voltage by 30 deg (Courtesy, General Electric Co.) |

| reactance that shifts the phase of the voltage across the potential or movable coil. The magnetic field of this coil will then be in phase with that produced by the reactive component of the current in the field coil. |

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