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What is frequency (when referring to electricity) a measurement of?

April 26, 2017electricity Frequency measurement referring

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What is frequency (when referring to electricity) a measurement of?

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DC (Direct current) has a frequency of 0Hz. An example of something that supplies DC is a battery. This means that one end of the battery always carries a positive charge (lack of electrons), while the other end always carries a negative charge (surplus of electrons). The electricity supplied by standard electrical outlets in the USA is 60Hz AC (alternating current). This means that one wire is alternately positively and then negatively charged relative to the other wire, and that the process repeats itself 60 times per second (60Hz).