MCQ PracticeA child class _____ exist if there is no parent classSubject: Computer Science EngineeringTopic: Object Oriented Programming Using C Plus PlusAmustBmayCcannotDcanCorrect 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