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AC stands for Alternating Current. It usually applies to voltages with >100 V RMS, but can also be used for other AC voltages, like 24 V industrial AC power.

6 votes

Trouble understanding alternating current (AC)

Instead of thinking of electricity travelling from point A to point B think of it as the result of reactions among electrons. A good visual representation is Newton's Cradle. The locations of the be …
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