MCQ PracticeThe edge of a cube is 2a cm. Find its surface?Subject: MathematicsTopic: VolumesA6a 2 cm 2B8a 2 cm 2C12a 2 cm 2D24a 2 cm 2Correct 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