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What is Understanding Alternating Current Basics about?
Alternating current (AC) has a current or voltage that changes direction periodically rather than flowing only in one direction like direct current (DC). In AC, the direction of current flow reverses between forward and backward in a cycle. In Europe the frequency of the AC mains is 50 cycles per second. The root mean square (RMS) value is used to calculate AC quantities as if they were DC and allows consistent measurements with voltmeters and ammeters.
- Author
- Tutor_KL
- Language
- EN