The power scale of the circle diagram of an induction motor can be found from A) Stator resistance test B) No-load test only C) Short-circuit test only D) None of the above Related MCQs: Slip ring motor is preferred over squirrel cage induction motor where One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from the constant voltage supply, its field excitation is increased, then its power factor In a star-delta starter of an induction motor