MCQ PracticeOn what principle does the braking system in the car work?Subject: Automobile EngineeringTopic: Automobile EngineAFrictional forceBCravitational forceCMagnetic forceDElectric forceCorrect 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