MCQ PracticeA Hall effect switch is usually used to:Subject: Computer Science EngineeringTopic: Automation SystemAmeasure voltageBmeasure temperatureCsense a vacuumDsense the presence of a magnetic object. E. None of the aboveCorrect Answer: DPractice 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