MCQ PracticeReferring to the given circuit, what is Z TH if R1 is changed to 220 Ω?Subject: Electrical EngineeringTopic: Circuit Theorems In Ac AnalysisA225 ∠12.1° ΩB225 ∠77.9° ΩC46 ∠77.9° ΩD46 ∠12.1° ΩCorrect Answer: CPractice 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