MCQ PracticeAuto-transformer makes effective saving on copper and copper losses, when its transformation ratio isSubject: Electrical EngineeringTopic: TransformersAapproximately equal to oneBless than oneCgreat than oneDnone of the aboveCorrect Answer: APractice 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