MCQ PracticeThe secondary winding of which of the following transformers is always kept closed?Subject: Electrical EngineeringTopic: TransformersAStep-up transformerBStep-down transformerCPotential transformerDCurrent transformerCorrect 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