MCQ PracticeThe diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?Subject: MathematicsTopic: VolumesA1:2B1:4C2:1D4:1Correct 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