MCQ PracticeThe two types of relays in a PC are:Subject: Computer Science EngineeringTopic: Automation SystemAan output relay and a control relayBa control relay and a retentive relayCa retentive relay and a non-retentive relayDAll of the above E. None of the aboveCorrect 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