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duo21 duo21
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7 months ago

Alternating current is current that:



operates from a voltage source that has a fixed polarity.



operates from a voltage source that has a constantly reversing polarity.



flows from negative to positive.



flows from positive to negative.

Textbook 
Electricity for the Trades

Electricity for the Trades


Edition: 3rd
Author:
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ladwerladwer
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7 months ago
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duo21 Author
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7 months ago
Good timing, thanks!
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