How are ac and dc generators different

AC (Alternating Current) and DC (Direct Current) are different in the way that DC goes in a straight line across all the places that need power, losing power along the way. AC, however, moves back and forth between places that need power, regaining the power that is lost.

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explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.