MCQ PracticeThe core used in high frequency transformer is usuallySubject: Electrical EngineeringTopic: TransformersAcopper coreBcost iron coreCair coreDmild steel coreCorrect Answer: CPractice 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