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3 October, 06:37

A major difference between AC and DC electricity is that A) the current in AC electricity varies in magnitude and direction. B) the current in DC electricity varies in magnitude and direction. C) the voltage in AC electricity varies in magnitude and direction. D) the voltage in DC electricity varies in magnitude and direction.

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  1. 3 October, 06:53
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    In a DC electric current, it only flows in one direction, while the AC electric current changes it's direction periodically. Since it only affects AC, the current in AC electricity varies in magnitude and direction would be correct. Which is A.
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