MCQ PracticeFor a transformer, operating at constant load current, maximum efficiency will occur atSubject: Electrical EngineeringTopic: TransformersA0.8 leading power factorB0.8 lagging power factorCzero power factorDunity power factorCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the