MCQ PracticeWho developed the telegraph code?Subject: Everyday ScienceTopic: Everyday ScienceAAndre AmpereBSamuel MorseCJoseph HenryDJean FourierCorrect 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