Exam (elaborations)
Electronics ETA AC Certification Practice Exam Questions and Answers
- Course
- Institution
In alternating current: A. current flow alternates back and forth B. voltage alternates positive and negative C. resistance changes between high and low D. A and B above D. A and B above Historically, DC came before AC because: A. DC is more useful B. DC is easier to transmit ove...
[Show more]