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Difference between ac and DC

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Anonymous

14y ago
Updated: 8/16/2019

the difference between ac and dc is ac current changes its direction after every fixed interval of time.In India it changes after 1/100th second. and in dc it does not changes its direction....

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Note: while in India and most European countries it changes 100 times/second (50 cycles/second), in the US, the standard is 60 cycles/second (or 120 changes/second).

You will also see this called 60Hz in the US.

In the US, the nominal standard is 120V, meaning it will go fromm +120V(olts) to -120V, then back to +120, (a full cycle), 60 times/second. In Europe the standard is 240V @ 50Hz.

As far as average available voltage: 120V AC = 60V DC (because the 120VAC goes to 0 twice a second as it cycles up and down).

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Wiki User

14y ago

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