MCQ PracticeTwo types of semi-conductors areSubject: Automobile EngineeringTopic: Automobile EngineADoped and undopedBP and NCHole and electronDWhile and greyCorrect Answer: BPractice 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