| комп., Майкр. |
AC (Electric current that reverses its direction of flow (polarity) periodically according to a frequency measured in hertz, or cycles per second. The rapid change from positive to negative electricity of 60 or more times each second); alternating current (Electric current that reverses its direction of flow (polarity) periodically according to a frequency measured in hertz, or cycles per second. The rapid change from positive to negative electricity of 60 or more times each second) |
