Home » Physics mcqs » A step – down choppers can be used in___________?A step – down choppers can be used in___________? by A. Electric traction B. Electric vehicles C. Machine tools D. All of these Related Posts:Which of the following spacecraft enabled man to step on the…Which step causes activation of catalytic site of an…Body is eel like in___________?Kangaroo rat most probably would be found in___________?Notochord is present throughout life in___________?