Why do we use AC instead of DC?

Answer

AC which stands for Alternating Current is a type of electricity commonly used in homes and it alternates its direction in a back-and-forth motion. DC, which is Direct Current is electricity that flows in one direction through a wire. AC is mainly used because it is readily changed to higher or lower voltage levels, while it is difficult to do that with DC voltages. It is also easier to convert from AC to DC than the other way around.
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