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In alternating current, how often does the current alternate between negatively and postively?
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In alternating current, how often does the current alternate between negatively and postively?

User Laquinta
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1/60th of a second each way back and forth
User Prunge
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In an alternating current (AC) circuit the two poles alternate between negative and positive and the direction of the current (electron flow) reverses periodically.
User IronGeek
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